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54522121423 = 7111674239997
BaseRepresentation
bin110010110001110001…
…011000110011001111
312012201201222202000111
4302301301120303033
51343130130341143
641014102140451
73640052246140
oct626161306317
9165651882014
1054522121423
1121139352890
12a697421727
1351ab8c0413
1428d3157ac7
1516418a299d
hexcb1c58ccf

54522121423 has 16 divisors (see below), whose sum is σ = 68382687744. Its totient is φ = 42230360160.

The previous prime is 54522121417. The next prime is 54522121471. The reversal of 54522121423 is 32412122545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54522121423 - 221 = 54520024271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54522125423) 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, 2107140 + ... + 2132857.

It is an arithmetic number, because the mean of its divisors is an integer number (4273917984).

Almost surely, 254522121423 is an apocalyptic number.

54522121423 is a deficient number, since it is larger than the sum of its proper divisors (13860566321).

54522121423 is a wasteful number, since it uses less digits than its factorization.

54522121423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240182.

The product of its digits is 19200, while the sum is 31.

Adding to 54522121423 its reverse (32412122545), we get a palindrome (86934243968).

The spelling of 54522121423 in words is "fifty-four billion, five hundred twenty-two million, one hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 7 11 77 167 1169 1837 12859 4239997 29679979 46639967 326479769 708079499 4956556493 7788874489 54522121423