Base | Representation |
---|---|
bin | 11001110111101010… |
… | …11011100001111001 |
3 | 1022211221011022111121 |
4 | 30323311123201321 |
5 | 211421010422100 |
6 | 10214100225241 |
7 | 1001114355253 |
oct | 147365334171 |
9 | 38757138447 |
10 | 13888764025 |
11 | 5987932a84 |
12 | 283739b221 |
13 | 1404563086 |
14 | 95a7dccd3 |
15 | 5644ae51a |
hex | 33bd5b879 |
13888764025 has 12 divisors (see below), whose sum is σ = 17280854892. Its totient is φ = 11073083840.
The previous prime is 13888763947. The next prime is 13888764047. The reversal of 13888764025 is 52046788831.
It can be written as a sum of positive squares in 6 ways, for example, as 61591104 + 13827172921 = 7848^2 + 117589^2 .
It is not a de Polignac number, because 13888764025 - 215 = 13888731257 is a prime.
It is a super-2 number, since 2×138887640252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940714 + ... + 955363.
It is an arithmetic number, because the mean of its divisors is an integer number (1440071241).
Almost surely, 213888764025 is an apocalyptic number.
It is an amenable number.
13888764025 is a deficient number, since it is larger than the sum of its proper divisors (3392090867).
13888764025 is a wasteful number, since it uses less digits than its factorization.
13888764025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1896380 (or 1896375 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 52.
The spelling of 13888764025 in words is "thirteen billion, eight hundred eighty-eight million, seven hundred sixty-four thousand, twenty-five".
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