Base | Representation |
---|---|
bin | 110100001010010010… |
… | …100100100111000001 |
3 | 12100120020110100011210 |
4 | 310022102210213001 |
5 | 1404200321344203 |
6 | 41421313000333 |
7 | 4021624322502 |
oct | 641222444701 |
9 | 170506410153 |
10 | 56007215553 |
11 | 21830682003 |
12 | aa308530a9 |
13 | 5387493b43 |
14 | 29d449aba9 |
15 | 16cbe55803 |
hex | d0a4a49c1 |
56007215553 has 16 divisors (see below), whose sum is σ = 78611734080. Its totient is φ = 35370676224.
The previous prime is 56007215503. The next prime is 56007215557. The reversal of 56007215553 is 35551270065.
It is not a de Polignac number, because 56007215553 - 212 = 56007211457 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (56007215557) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444225 + ... + 1482497.
It is an arithmetic number, because the mean of its divisors is an integer number (4913233380).
Almost surely, 256007215553 is an apocalyptic number.
It is an amenable number.
56007215553 is a deficient number, since it is larger than the sum of its proper divisors (22604518527).
56007215553 is a wasteful number, since it uses less digits than its factorization.
56007215553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63968.
The product of its (nonzero) digits is 157500, while the sum is 39.
The spelling of 56007215553 in words is "fifty-six billion, seven million, two hundred fifteen thousand, five hundred fifty-three".
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