Base | Representation |
---|---|
bin | 110010011111010011… |
… | …011010100111110000 |
3 | 12011221010221220011220 |
4 | 302133103122213300 |
5 | 1342011320242142 |
6 | 40523233105040 |
7 | 3626300505633 |
oct | 623723324760 |
9 | 164833856156 |
10 | 54212274672 |
11 | 20a9a463396 |
12 | a60b6b8180 |
13 | 515c65574a |
14 | 28a3d3dc1a |
15 | 162459b2ec |
hex | c9f4da9f0 |
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".
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