Base | Representation |
---|---|
bin | 11000101010001001… |
… | …10001100100101010 |
3 | 1021011121112012201202 |
4 | 30111010301210222 |
5 | 204103022200200 |
6 | 10025350244202 |
7 | 646030116113 |
oct | 142504614452 |
9 | 37147465652 |
10 | 13238475050 |
11 | 5683857279 |
12 | 2695656662 |
13 | 132c90a6b8 |
14 | 8d82c520a |
15 | 52735b1d5 |
hex | 31513192a |
13238475050 has 12 divisors (see below), whose sum is σ = 24623563686. Its totient is φ = 5295390000.
The previous prime is 13238475037. The next prime is 13238475053. The reversal of 13238475050 is 5057483231.
It can be written as a sum of positive squares in 3 ways, for example, as 7449243481 + 5789231569 = 86309^2 + 76087^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13238474995 and 13238475013.
It is not an unprimeable number, because it can be changed into a prime (13238475053) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132384701 + ... + 132384800.
Almost surely, 213238475050 is an apocalyptic number.
13238475050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13238475050 is a deficient number, since it is larger than the sum of its proper divisors (11385088636).
13238475050 is a wasteful number, since it uses less digits than its factorization.
13238475050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264769513 (or 264769508 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 38.
The spelling of 13238475050 in words is "thirteen billion, two hundred thirty-eight million, four hundred seventy-five thousand, fifty".
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