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10621251423 = 321180139047
BaseRepresentation
bin10011110010001001…
…10110111101011111
31000102012202110212100
421321010312331133
5133223020021143
64513534140143
7524130101406
oct117104667537
930365673770
1010621251423
114560468442
122085051653
131003616c73
1472a87c63d
154226c76d3
hex279136f5f

10621251423 has 6 divisors (see below), whose sum is σ = 15341807624. Its totient is φ = 7080834276.

The previous prime is 10621251391. The next prime is 10621251467. The reversal of 10621251423 is 32415212601.

10621251423 is a `hidden beast` number, since 1 + 0 + 621 + 2 + 5 + 14 + 23 = 666.

It is not a de Polignac number, because 10621251423 - 25 = 10621251391 is a prime.

It is a super-2 number, since 2×106212514232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621251923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 590069515 + ... + 590069532.

Almost surely, 210621251423 is an apocalyptic number.

10621251423 is a deficient number, since it is larger than the sum of its proper divisors (4720556201).

10621251423 is a wasteful number, since it uses less digits than its factorization.

10621251423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180139053 (or 1180139050 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 10621251423 in words is "ten billion, six hundred twenty-one million, two hundred fifty-one thousand, four hundred twenty-three".

Divisors: 1 3 9 1180139047 3540417141 10621251423