Base | Representation |
---|---|
bin | 110010111011101101… |
… | …010111011111000100 |
3 | 12020011100200220101112 |
4 | 302323231113133010 |
5 | 1344000320331440 |
6 | 41042415344152 |
7 | 3644145316052 |
oct | 627355273704 |
9 | 166140626345 |
10 | 54688839620 |
11 | 21214473718 |
12 | a723222058 |
13 | 52072c3a3c |
14 | 290b3551d2 |
15 | 1651335965 |
hex | cbbb577c4 |
54688839620 has 24 divisors (see below), whose sum is σ = 120891120000. Its totient is φ = 20724191712.
The previous prime is 54688839619. The next prime is 54688839643. The reversal of 54688839620 is 2693888645.
It is a self number, because there is not a number n which added to its sum of digits gives 54688839620.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71958620 + ... + 71959379.
It is an arithmetic number, because the mean of its divisors is an integer number (5037130000).
Almost surely, 254688839620 is an apocalyptic number.
It is an amenable number.
54688839620 is an abundant number, since it is smaller than the sum of its proper divisors (66202280380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54688839620 is a wasteful number, since it uses less digits than its factorization.
54688839620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143918027 (or 143918025 counting only the distinct ones).
The product of its (nonzero) digits is 19906560, while the sum is 59.
The spelling of 54688839620 in words is "fifty-four billion, six hundred eighty-eight million, eight hundred thirty-nine thousand, six hundred twenty".
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