Base | Representation |
---|---|
bin | 11001001101100100110111… |
… | …01100110011111110010110 |
3 | 21021022012121210110202210100 |
4 | 30212302123230303332112 |
5 | 24231330304304304340 |
6 | 313525420505034530 |
7 | 14451361453665615 |
oct | 1446623354637626 |
9 | 237265553422710 |
10 | 55442050072470 |
11 | 16735928992856 |
12 | 627505a485a46 |
13 | 24c2216b34559 |
14 | d995a3ad187c |
15 | 662295715830 |
hex | 326c9bb33f96 |
55442050072470 has 48 divisors (see below), whose sum is σ = 144159231922992. Its totient is φ = 14783531123520.
The previous prime is 55442050072403. The next prime is 55442050072517. The reversal of 55442050072470 is 7427005024455.
55442050072470 is a `hidden beast` number, since 5 + 5 + 4 + 4 + 2 + 0 + 500 + 72 + 4 + 70 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19839601 + ... + 22460940.
It is an arithmetic number, because the mean of its divisors is an integer number (3003317331729).
Almost surely, 255442050072470 is an apocalyptic number.
55442050072470 is an abundant number, since it is smaller than the sum of its proper divisors (88717181850522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55442050072470 is a wasteful number, since it uses less digits than its factorization.
55442050072470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42315117 (or 42315114 counting only the distinct ones).
The product of its (nonzero) digits is 1568000, while the sum is 45.
The spelling of 55442050072470 in words is "fifty-five trillion, four hundred forty-two billion, fifty million, seventy-two thousand, four hundred seventy".
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