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54122211402 = 2373146940949
BaseRepresentation
bin110010011001111011…
…110110100001001010
312011200212111012121020
4302121323312201022
51341320241231102
640510254453310
73624125130540
oct623173664112
9164625435536
1054122211402
1120a53639536
12a5a5504236
135146ab0a7c
142895db7d90
15161b70abbc
hexc99ef684a

54122211402 has 32 divisors (see below), whose sum is σ = 123714864000. Its totient is φ = 15462619968.

The previous prime is 54122211401. The next prime is 54122211413. The reversal of 54122211402 is 20411222145.

It is not an unprimeable number, because it can be changed into a prime (54122211401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301224 + ... + 1342172.

It is an arithmetic number, because the mean of its divisors is an integer number (3866089500).

Almost surely, 254122211402 is an apocalyptic number.

54122211402 is an abundant number, since it is smaller than the sum of its proper divisors (69592652598).

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

54122211402 is a wasteful number, since it uses less digits than its factorization.

54122211402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72430.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 54122211402 its reverse (20411222145), we get a palindrome (74533433547).

The spelling of 54122211402 in words is "fifty-four billion, one hundred twenty-two million, two hundred eleven thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 31469 40949 62938 81898 94407 122847 188814 220283 245694 286643 440566 573286 660849 859929 1321698 1719858 1288624081 2577248162 3865872243 7731744486 9020368567 18040737134 27061105701 54122211402