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20122112054 = 21110725573343
BaseRepresentation
bin10010101111010111…
…110001000000110110
31220221100022012111102
4102233113301000312
5312202230041204
613124410410102
71311434062502
oct225727610066
956840265442
1020122112054
118596453680
123a96a30932
131b88a90ca5
14d8c5d1302
157cb83c41e
hex4af5f1036

20122112054 has 32 divisors (see below), whose sum is σ = 33257765376. Its totient is φ = 9054681120.

The previous prime is 20122112053. The next prime is 20122112071. The reversal of 20122112054 is 45021122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122112053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6017507 + ... + 6020849.

It is an arithmetic number, because the mean of its divisors is an integer number (1039305168).

Almost surely, 220122112054 is an apocalyptic number.

20122112054 is a deficient number, since it is larger than the sum of its proper divisors (13135653322).

20122112054 is a wasteful number, since it uses less digits than its factorization.

20122112054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 20122112054 its reverse (45021122102), we get a palindrome (65143234156).

The spelling of 20122112054 in words is "twenty billion, one hundred twenty-two million, one hundred twelve thousand, fifty-four".

Divisors: 1 2 11 22 107 214 1177 2354 2557 3343 5114 6686 28127 36773 56254 73546 273599 357701 547198 715402 3009589 3934711 6019178 7869422 8548051 17096102 94028561 188057122 914641457 1829282914 10061056027 20122112054