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13622772140 = 225681138607
BaseRepresentation
bin11001010111111101…
…10000000110101100
31022011101122112020022
430223332300012230
5210344412202030
610131435141312
7661404436565
oct145376600654
938141575208
1013622772140
11586077737a
1227822a4838
131391411723
1493335d16c
1554ae6bde5
hex32bfb01ac

13622772140 has 12 divisors (see below), whose sum is σ = 28607821536. Its totient is φ = 5449108848.

The previous prime is 13622772101. The next prime is 13622772157. The reversal of 13622772140 is 4127722631.

It is a self number, because there is not a number n which added to its sum of digits gives 13622772140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340569284 + ... + 340569323.

It is an arithmetic number, because the mean of its divisors is an integer number (2383985128).

Almost surely, 213622772140 is an apocalyptic number.

13622772140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13622772140 is an abundant number, since it is smaller than the sum of its proper divisors (14985049396).

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

13622772140 is a wasteful number, since it uses less digits than its factorization.

13622772140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681138616 (or 681138614 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 13622772140 in words is "thirteen billion, six hundred twenty-two million, seven hundred seventy-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 681138607 1362277214 2724554428 3405693035 6811386070 13622772140