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20134131015 = 354336318597
BaseRepresentation
bin10010110000000101…
…100111010101000111
31220222011220211102010
4102300011213111013
5312213314143030
613125520145303
71311641201265
oct226005472507
956864824363
1020134131015
1185a22126a9
123a9aa68233
131b8b40b7bb
14d9003d435
157cc9136b0
hex4b0167547

20134131015 has 32 divisors (see below), whose sum is σ = 32976700416. Its totient is φ = 10484369280.

The previous prime is 20134130993. The next prime is 20134131089. The reversal of 20134131015 is 51013143102.

It is not a de Polignac number, because 20134131015 - 29 = 20134130503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20134130982 and 20134131000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2337697 + ... + 2346293.

It is an arithmetic number, because the mean of its divisors is an integer number (1030521888).

Almost surely, 220134131015 is an apocalyptic number.

20134131015 is a deficient number, since it is larger than the sum of its proper divisors (12842569401).

20134131015 is a wasteful number, since it uses less digits than its factorization.

20134131015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12279.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 20134131015 its reverse (51013143102), we get a palindrome (71147274117).

The spelling of 20134131015 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-one thousand, fifteen".

Divisors: 1 3 5 15 43 129 215 645 3631 8597 10893 18155 25791 42985 54465 128955 156133 369671 468399 780665 1109013 1848355 2341995 5545065 31215707 93647121 156078535 468235605 1342275401 4026826203 6711377005 20134131015