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23026773721 = 719173133637
BaseRepresentation
bin10101011100100000…
…001010111011011001
32012102202221022020011
4111130200022323121
5334124323224341
614324531401521
71443424230040
oct253440127331
965382838204
1023026773721
119847016a06
1245677532a1
13222c7a47c3
14118629b557
158eb84cb81
hex55c80aed9

23026773721 has 8 divisors (see below), whose sum is σ = 27701382080. Its totient is φ = 18698432688.

The previous prime is 23026773709. The next prime is 23026773727. The reversal of 23026773721 is 12737762032.

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

It is a cyclic number.

It is not a de Polignac number, because 23026773721 - 25 = 23026773689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23026773727) 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, 86566686 + ... + 86566951.

It is an arithmetic number, because the mean of its divisors is an integer number (3462672760).

Almost surely, 223026773721 is an apocalyptic number.

It is an amenable number.

23026773721 is a deficient number, since it is larger than the sum of its proper divisors (4674608359).

23026773721 is a wasteful number, since it uses less digits than its factorization.

23026773721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173133663.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 23026773721 in words is "twenty-three billion, twenty-six million, seven hundred seventy-three thousand, seven hundred twenty-one".

Divisors: 1 7 19 133 173133637 1211935459 3289539103 23026773721