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9999152401 = 71975181597
BaseRepresentation
bin10010100111111111…
…01111010100010001
3221210212011120102211
421103333233110101
5130434240334101
64332112312121
7502534251550
oct112377572421
927725146384
109999152401
114271296217
121b30842641
13c34781734
146abdc1d97
153d7c91c51
hex253fef511

9999152401 has 8 divisors (see below), whose sum is σ = 12029055680. Its totient is φ = 8119612368.

The previous prime is 9999152399. The next prime is 9999152441. The reversal of 9999152401 is 1042519999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9999152401 - 21 = 9999152399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9999152441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37590666 + ... + 37590931.

It is an arithmetic number, because the mean of its divisors is an integer number (1503631960).

Almost surely, 29999152401 is an apocalyptic number.

It is an amenable number.

9999152401 is a deficient number, since it is larger than the sum of its proper divisors (2029903279).

9999152401 is a wasteful number, since it uses less digits than its factorization.

9999152401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75181623.

The product of its (nonzero) digits is 262440, while the sum is 49.

The square root of 9999152401 is about 99995.7619151932. The cubic root of 9999152401 is about 2154.3738184224.

The spelling of 9999152401 in words is "nine billion, nine hundred ninety-nine million, one hundred fifty-two thousand, four hundred one".

Divisors: 1 7 19 133 75181597 526271179 1428450343 9999152401