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395201628344768 = 26710310138454619
BaseRepresentation
bin101100111011011110000110…
…0101011000001000111000000
31220211021220110222110011022112
41121312330030223001013000
5403244440413324013033
63520305042141354452
7146146242523550060
oct13166741453010700
91824256428404275
10395201628344768
11104a18084351913
12383a8881868a28
1313c69479c5418b
146d83c0a3353a0
1530a517bccdc48
hex1676f0cac11c0

395201628344768 has 112 divisors (see below), whose sum is σ = 905855853227520. Its totient is φ = 167562141778944.

The previous prime is 395201628344767. The next prime is 395201628344797. The reversal of 395201628344768 is 867443826102593.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×3952016283447682 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 395201628344698 and 395201628344707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395201628344767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42516563 + ... + 50971181.

It is a 1-persistent number, because it is pandigital, but 2⋅395201628344768 = 790403256689536 is not.

Almost surely, 2395201628344768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395201628344768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452927926613760).

395201628344768 is an abundant number, since it is smaller than the sum of its proper divisors (510654224882752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395201628344768 is a wasteful number, since it uses less digits than its factorization.

395201628344768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455754 (or 8455744 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 68.

The spelling of 395201628344768 in words is "three hundred ninety-five trillion, two hundred one billion, six hundred twenty-eight million, three hundred forty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 103 112 206 224 412 448 721 824 1013 1442 1648 2026 2884 3296 4052 5768 6592 7091 8104 11536 14182 16208 23072 28364 32416 46144 56728 64832 104339 113456 208678 226912 417356 453824 730373 834712 1460746 1669424 2921492 3338848 5842984 6677696 8454619 11685968 16909238 23371936 33818476 46743872 59182333 67636952 118364666 135273904 236729332 270547808 473458664 541095616 870825757 946917328 1741651514 1893834656 3483303028 3787669312 6095780299 6966606056 8564529047 12191560598 13933212112 17129058094 24383121196 27866424224 34258116188 48766242392 55732848448 59951703329 68516232376 97532484784 119903406658 137032464752 195064969568 239806813316 274064929504 390129939136 479613626632 548129859008 882146491841 959227253264 1764292983682 1918454506528 3528585967364 3836909013056 6175025442887 7057171934728 12350050885774 14114343869456 24700101771548 28228687738912 49400203543096 56457375477824 98800407086192 197600814172384 395201628344768