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20492766729402 = 23111447214579451
BaseRepresentation
bin1001010100011010110000…
…00101001101010010111010
32200120002102011000000000020
410222031120011031102322
510141223141240320102
6111330125211151310
74213360602064632
oct452153005152272
980502364000006
1020492766729402
116590a2a634250
12236b776145536
13b585c89c2a26
1450bbd89616c2
152580e5972bbc
hex12a35814d4ba

20492766729402 has 32 divisors (see below), whose sum is σ = 44742390695424. Its totient is φ = 6205637694000.

The previous prime is 20492766729359. The next prime is 20492766729451.

20492766729402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107194224 + ... + 107385227.

It is an arithmetic number, because the mean of its divisors is an integer number (1398199709232).

Almost surely, 220492766729402 is an apocalyptic number.

20492766729402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20492766729402 is an abundant number, since it is smaller than the sum of its proper divisors (24249623966022).

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

20492766729402 is a wasteful number, since it uses less digits than its factorization.

20492766729402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214580914.

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 20492766729402 in words is "twenty trillion, four hundred ninety-two billion, seven hundred sixty-six million, seven hundred twenty-nine thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 1447 2894 4341 8682 15917 31834 47751 95502 214579451 429158902 643738353 1287476706 2360373961 4720747922 7081121883 14162243766 310496465597 620992931194 931489396791 1862978793582 3415461121567 6830922243134 10246383364701 20492766729402