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30634746016 = 257718092381
BaseRepresentation
bin11100100001111110…
…010010000010100000
32221001222200100012211
4130201332102002200
51000214443333031
622023504531504
72133105021220
oct344176220240
987058610184
1030634746016
1111aa0574116
125b2b620b94
132b72a37c64
1416a8878080
15be470bbb1
hex721f920a0

30634746016 has 96 divisors (see below), whose sum is σ = 70014792960. Its totient is φ = 12922828800.

The previous prime is 30634745989. The next prime is 30634746019. The reversal of 30634746016 is 61064743603.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30634746016.

It is not an unprimeable number, because it can be changed into a prime (30634746019) 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, 12865146 + ... + 12867526.

It is an arithmetic number, because the mean of its divisors is an integer number (729320760).

Almost surely, 230634746016 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 30634746016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35007396480).

30634746016 is an abundant number, since it is smaller than the sum of its proper divisors (39380046944).

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

30634746016 is a wasteful number, since it uses less digits than its factorization.

30634746016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 30634746016 in words is "thirty billion, six hundred thirty-four million, seven hundred forty-six thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 71 112 142 224 284 497 568 809 994 1136 1618 1988 2272 2381 3236 3976 4762 5663 6472 7952 9524 11326 12944 15904 16667 19048 22652 25888 33334 38096 45304 57439 66668 76192 90608 114878 133336 169051 181216 229756 266672 338102 402073 459512 533344 676204 804146 919024 1183357 1352408 1608292 1838048 1926229 2366714 2704816 3216584 3852458 4733428 5409632 6433168 7704916 9466856 12866336 13483603 15409832 18933712 26967206 30819664 37867424 53934412 61639328 107868824 136762259 215737648 273524518 431475296 547049036 957335813 1094098072 1914671626 2188196144 3829343252 4376392288 7658686504 15317373008 30634746016