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54212274672 = 2431129422389
BaseRepresentation
bin110010011111010011…
…011010100111110000
312011221010221220011220
4302133103122213300
51342011320242142
640523233105040
73626300505633
oct623723324760
9164833856156
1054212274672
1120a9a463396
12a60b6b8180
13515c65574a
1428a3d3dc1a
15162459b2ec
hexc9f4da9f0

54212274672 has 20 divisors (see below), whose sum is σ = 140048376360. Its totient is φ = 18070758208.

The previous prime is 54212274653. The next prime is 54212274673. The reversal of 54212274672 is 27647221245.

It is a happy number.

It is a super-2 number, since 2×542122746722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54212274673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564711147 + ... + 564711242.

It is an arithmetic number, because the mean of its divisors is an integer number (7002418818).

Almost surely, 254212274672 is an apocalyptic number.

It is an amenable number.

54212274672 is an abundant number, since it is smaller than the sum of its proper divisors (85836101688).

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

54212274672 is a wasteful number, since it uses less digits than its factorization.

54212274672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129422400 (or 1129422394 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

The spelling of 54212274672 in words is "fifty-four billion, two hundred twelve million, two hundred seventy-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1129422389 2258844778 3388267167 4517689556 6776534334 9035379112 13553068668 18070758224 27106137336 54212274672