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30130646056 = 2372835471693
BaseRepresentation
bin11100000011111011…
…010010110000101000
32212202212010102001221
4130003323102300220
5443201421133211
621501500151424
72114444160100
oct340373226050
985685112057
1030130646056
1111861a67385
125a0a838574
132ac2478964
14165b936200
15bb5333c71
hex703ed2c28

30130646056 has 96 divisors (see below), whose sum is σ = 66671367840. Its totient is φ = 12726709632.

The previous prime is 30130646053. The next prime is 30130646071. The reversal of 30130646056 is 65064603103.

It is not an unprimeable number, because it can be changed into a prime (30130646053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17796346 + ... + 17798038.

It is an arithmetic number, because the mean of its divisors is an integer number (694493415).

Almost surely, 230130646056 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 30130646056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33335683920).

30130646056 is an abundant number, since it is smaller than the sum of its proper divisors (36540721784).

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

30130646056 is a wasteful number, since it uses less digits than its factorization.

30130646056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 30130646056 in words is "thirty billion, one hundred thirty million, six hundred forty-six thousand, fifty-six".

Divisors: 1 2 4 7 8 14 28 49 56 83 98 166 196 332 392 547 581 664 1094 1162 1693 2188 2324 3386 3829 4067 4376 4648 6772 7658 8134 11851 13544 15316 16268 23702 26803 30632 32536 45401 47404 53606 82957 90802 94808 107212 140519 165914 181604 214424 281038 317807 331828 363208 562076 635614 663656 926071 983633 1124152 1271228 1852142 1967266 2224649 2542456 3704284 3934532 4449298 6482497 6885431 7408568 7869064 8898596 12964994 13770862 17797192 25929988 27541724 45377479 51859976 55083448 76863893 90754958 153727786 181509916 307455572 363019832 538047251 614911144 1076094502 2152189004 3766330757 4304378008 7532661514 15065323028 30130646056