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27421196792 = 23111718329677
BaseRepresentation
bin11001100010011011…
…100100000111111000
32121210000211010102012
4121202123210013320
5422124311244132
620332551225052
71660344220103
oct314233440770
977700733365
1027421196792
11106a1607010
125393378188
132780034242
141481b6373a
15aa75340b2
hex6626e41f8

27421196792 has 32 divisors (see below), whose sum is σ = 59388156720. Its totient is φ = 11730992640.

The previous prime is 27421196791. The next prime is 27421196797. The reversal of 27421196792 is 29769112472.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27421196792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27421196791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9163343 + ... + 9166334.

Almost surely, 227421196792 is an apocalyptic number.

27421196792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27421196792 is an abundant number, since it is smaller than the sum of its proper divisors (31966959928).

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

27421196792 is a wasteful number, since it uses less digits than its factorization.

27421196792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18329711 (or 18329707 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The spelling of 27421196792 in words is "twenty-seven billion, four hundred twenty-one million, one hundred ninety-six thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 748 1496 18329677 36659354 73318708 146637416 201626447 311604509 403252894 623209018 806505788 1246418036 1613011576 2492836072 3427649599 6855299198 13710598396 27421196792