Base | Representation |
---|---|
bin | 110011110111001101… |
… | …010101101011011110 |
3 | 12022201221001121001120 |
4 | 303313031111223132 |
5 | 1403021342422244 |
6 | 41325435151410 |
7 | 4010656224633 |
oct | 636715255336 |
9 | 168657047046 |
10 | 55687076574 |
11 | 216869a2938 |
12 | a9615a5566 |
13 | 53360645ac |
14 | 29a3b6418a |
15 | 16adcb9819 |
hex | cf7355ade |
55687076574 has 64 divisors (see below), whose sum is σ = 114160140288. Its totient is φ = 18102656000.
The previous prime is 55687076569. The next prime is 55687076591. The reversal of 55687076574 is 47567078655.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48380899 + ... + 48382049.
It is an arithmetic number, because the mean of its divisors is an integer number (1783752192).
Almost surely, 255687076574 is an apocalyptic number.
55687076574 is an abundant number, since it is smaller than the sum of its proper divisors (58473063714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55687076574 is a wasteful number, since it uses less digits than its factorization.
55687076574 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1993.
The product of its (nonzero) digits is 49392000, while the sum is 60.
The spelling of 55687076574 in words is "fifty-five billion, six hundred eighty-seven million, seventy-six thousand, five hundred seventy-four".
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