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9912911001 = 371606329387
BaseRepresentation
bin10010011101101101…
…10000010010011001
3221120211220001110220
421032312300102121
5130300201123001
64315352030253
7500436232110
oct111666602231
927524801426
109912911001
114227641834
121b07992389
13c1c947516
146a0772c77
153d0408c36
hex24edb0499

9912911001 has 16 divisors (see below), whose sum is σ = 15106842624. Its totient is φ = 5663975184.

The previous prime is 9912910999. The next prime is 9912911003. The reversal of 9912911001 is 1001192199.

It is an interprime number because it is at equal distance from previous prime (9912910999) and next prime (9912911003).

It is not a de Polignac number, because 9912911001 - 21 = 9912910999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9912911003) 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, 322630 + ... + 352016.

It is an arithmetic number, because the mean of its divisors is an integer number (944177664).

Almost surely, 29912911001 is an apocalyptic number.

It is an amenable number.

9912911001 is a deficient number, since it is larger than the sum of its proper divisors (5193931623).

9912911001 is a wasteful number, since it uses less digits than its factorization.

9912911001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45460.

The product of its (nonzero) digits is 1458, while the sum is 33.

The square root of 9912911001 is about 99563.6027923859. The cubic root of 9912911001 is about 2148.1621937716.

The spelling of 9912911001 in words is "nine billion, nine hundred twelve million, nine hundred eleven thousand, one".

Divisors: 1 3 7 21 16063 29387 48189 88161 112441 205709 337323 617127 472043381 1416130143 3304303667 9912911001