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992008511623 = 22722971902517
BaseRepresentation
bin11100110111110000101…
…00001010000010000111
310111211112210000202100001
432123320110022002013
5112223113134332443
62035420013102131
7131445616136053
oct16337024120207
93454483022301
10992008511623
11352787a41448
12140311787947
13727137459ac
1436028d56c63
151ac0ed9cd4d
hexe6f850a087

992008511623 has 8 divisors (see below), whose sum is σ = 996812890992. Its totient is φ = 987207942336.

The previous prime is 992008511581. The next prime is 992008511651. The reversal of 992008511623 is 326115800299.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-992008511623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992008511693) 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, 429840 + ... + 1472677.

It is an arithmetic number, because the mean of its divisors is an integer number (124601611374).

Almost surely, 2992008511623 is an apocalyptic number.

992008511623 is a deficient number, since it is larger than the sum of its proper divisors (4804379369).

992008511623 is a wasteful number, since it uses less digits than its factorization.

992008511623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905041.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 992008511623 in words is "nine hundred ninety-two billion, eight million, five hundred eleven thousand, six hundred twenty-three".

Divisors: 1 227 2297 521419 1902517 431871359 4370081549 992008511623