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9995855968 = 257531994231
BaseRepresentation
bin10010100111100110…
…01010100001100000
3221210121222002120201
421103303022201200
5130432414342333
64331513514544
7502464242140
oct112363124140
927717862521
109995855968
11426a44459a
121b2b712a54
13c33b99197
146ab7a4920
153d784017d
hex253cca860

9995855968 has 96 divisors (see below), whose sum is σ = 23035622400. Its totient is φ = 4180999680.

The previous prime is 9995855941. The next prime is 9995855983. The reversal of 9995855968 is 8695585999.

It is a happy number.

Its product of digits (314928000) is a multiple of the sum of its prime factors (4500).

It is a self number, because there is not a number n which added to its sum of digits gives 9995855968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360413 + ... + 2364643.

It is an arithmetic number, because the mean of its divisors is an integer number (239954400).

Almost surely, 29995855968 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 9995855968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11517811200).

9995855968 is an abundant number, since it is smaller than the sum of its proper divisors (13039766432).

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

9995855968 is a wasteful number, since it uses less digits than its factorization.

9995855968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4492 counting only the distinct ones).

The product of its digits is 314928000, while the sum is 73.

The square root of 9995855968 is about 99979.2776929299. The cubic root of 9995855968 is about 2154.1370473702.

The spelling of 9995855968 in words is "nine billion, nine hundred ninety-five million, eight hundred fifty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 53 56 106 112 199 212 224 371 398 424 742 796 848 1393 1484 1592 1696 2786 2968 3184 4231 5572 5936 6368 8462 10547 11144 11872 16924 21094 22288 29617 33848 42188 44576 59234 67696 73829 84376 118468 135392 147658 168752 224243 236936 295316 337504 448486 473872 590632 841969 896972 947744 1181264 1569701 1683938 1793944 2362528 3139402 3367876 3587888 5893783 6278804 6735752 7175776 11787566 12557608 13471504 23575132 25115216 26943008 44624357 47150264 50230432 89248714 94300528 178497428 188601056 312370499 356994856 624740998 713989712 1249481996 1427979424 2498963992 4997927984 9995855968