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9992887201 = 11908444291
BaseRepresentation
bin10010100111001111…
…10101101110100001
3221210102101021012101
421103213311232201
5130431134342301
64331330130401
7502430065633
oct112347655641
927712337171
109992887201
1142687a7070
121b2a720a01
13c33399b0b
146ab230a53
153d7455701
hex2539f5ba1

9992887201 has 4 divisors (see below), whose sum is σ = 10901331504. Its totient is φ = 9084442900.

The previous prime is 9992887153. The next prime is 9992887213. The reversal of 9992887201 is 1027882999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9992887201 is a prime.

It is a super-2 number, since 2×99928872012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9992887241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454222135 + ... + 454222156.

It is an arithmetic number, because the mean of its divisors is an integer number (2725332876).

Almost surely, 29992887201 is an apocalyptic number.

It is an amenable number.

9992887201 is a deficient number, since it is larger than the sum of its proper divisors (908444303).

9992887201 is a wasteful number, since it uses less digits than its factorization.

9992887201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908444302.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 9992887201 is about 99964.4296787612. The cubic root of 9992887201 is about 2153.9237668460.

The spelling of 9992887201 in words is "nine billion, nine hundred ninety-two million, eight hundred eighty-seven thousand, two hundred one".

Divisors: 1 11 908444291 9992887201