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842169073488 = 243176715404029
BaseRepresentation
bin11000100000101010011…
…00000011111101010000
32222111210012200121221020
430100111030003331100
5102244230240322423
61442515341555440
7114562510004151
oct14202514037520
92874705617836
10842169073488
112a5186539856
12117274875b80
1361554522972
142ca92a3d928
1516d904374e3
hexc415303f50

842169073488 has 80 divisors (see below), whose sum is σ = 2337962057280. Its totient is φ = 260266457088.

The previous prime is 842169073483. The next prime is 842169073489. The reversal of 842169073488 is 884370961248.

It is a happy number.

It is a super-2 number, since 2×8421690734882 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842169073481) 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, 7647343 + ... + 7756686.

It is an arithmetic number, because the mean of its divisors is an integer number (29224525716).

Almost surely, 2842169073488 is an apocalyptic number.

It is an amenable number.

842169073488 is an abundant number, since it is smaller than the sum of its proper divisors (1495792983792).

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

842169073488 is a wasteful number, since it uses less digits than its factorization.

842169073488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404124 (or 15404118 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 842169073488 in words is "eight hundred forty-two billion, one hundred sixty-nine million, seventy-three thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 67 68 102 134 136 201 204 268 272 402 408 536 804 816 1072 1139 1608 2278 3216 3417 4556 6834 9112 13668 18224 27336 54672 15404029 30808058 46212087 61616116 92424174 123232232 184848348 246464464 261868493 369696696 523736986 739393392 785605479 1032069943 1047473972 1571210958 2064139886 2094947944 3096209829 3142421916 4128279772 4189895888 6192419658 6284843832 8256559544 12384839316 12569687664 16513119088 17545189031 24769678632 35090378062 49539357264 52635567093 70180756124 105271134186 140361512248 210542268372 280723024496 421084536744 842169073488