Base | Representation |
---|---|
bin | 110011010110101110… |
… | …000101101011111000 |
3 | 12021022221102112100021 |
4 | 303112232011223320 |
5 | 1400412323414223 |
6 | 41155404420224 |
7 | 3661320245206 |
oct | 632656055370 |
9 | 167287375307 |
10 | 55142013688 |
11 | 21427258043 |
12 | a82ab47674 |
13 | 527a162388 |
14 | 29515dc076 |
15 | 167aeee65d |
hex | cd6b85af8 |
55142013688 has 64 divisors (see below), whose sum is σ = 114308444160. Its totient is φ = 24804527616.
The previous prime is 55142013677. The next prime is 55142013691. The reversal of 55142013688 is 88631024155.
It is a super-2 number, since 2×551420136882 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5572281 + ... + 5582167.
It is an arithmetic number, because the mean of its divisors is an integer number (1786069440).
Almost surely, 255142013688 is an apocalyptic number.
It is an amenable number.
55142013688 is an abundant number, since it is smaller than the sum of its proper divisors (59166430472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55142013688 is a wasteful number, since it uses less digits than its factorization.
55142013688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11716 (or 11712 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 43.
The spelling of 55142013688 in words is "fifty-five billion, one hundred forty-two million, thirteen thousand, six hundred eighty-eight".
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