Base | Representation |
---|---|
bin | 11001101011101001… |
… | …01010100101011010 |
3 | 1022120220100220102020 |
4 | 30311310222211122 |
5 | 211214200302000 |
6 | 10200054315310 |
7 | 665451134625 |
oct | 146564524532 |
9 | 38526326366 |
10 | 13787900250 |
11 | 5935a01593 |
12 | 2809658b36 |
13 | 13b96a9377 |
14 | 94b264dbc |
15 | 55a6d8ba0 |
hex | 335d2a95a |
13787900250 has 64 divisors (see below), whose sum is σ = 35254058112. Its totient is φ = 3587088000.
The previous prime is 13787900171. The next prime is 13787900279. The reversal of 13787900250 is 5200978731.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193444 + ... + 254943.
It is an arithmetic number, because the mean of its divisors is an integer number (550844658).
Almost surely, 213787900250 is an apocalyptic number.
13787900250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13787900250 is an abundant number, since it is smaller than the sum of its proper divisors (21466157862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13787900250 is a wasteful number, since it uses less digits than its factorization.
13787900250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448448 (or 448438 counting only the distinct ones).
The product of its (nonzero) digits is 105840, while the sum is 42.
The spelling of 13787900250 in words is "thirteen billion, seven hundred eighty-seven million, nine hundred thousand, two hundred fifty".
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