Base | Representation |
---|---|
bin | 100100111011000… |
… | …1001101001010011 |
3 | 10012100021021021021 |
4 | 1021312021221103 |
5 | 10014131311201 |
6 | 322534340311 |
7 | 42462514540 |
oct | 11166115123 |
9 | 3170237237 |
10 | 1238932051 |
11 | 586387a95 |
12 | 2a6aba697 |
13 | 1698a5bb6 |
14 | ba785bc7 |
15 | 73b7aea1 |
hex | 49d89a53 |
1238932051 has 16 divisors (see below), whose sum is σ = 1424283840. Its totient is φ = 1055692800.
The previous prime is 1238932043. The next prime is 1238932067. The reversal of 1238932051 is 1502398321.
It is a cyclic number.
It is not a de Polignac number, because 1238932051 - 23 = 1238932043 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1238931998 and 1238932016.
It is not an unprimeable number, because it can be changed into a prime (1238932951) 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, 1333155 + ... + 1334083.
It is an arithmetic number, because the mean of its divisors is an integer number (89017740).
Almost surely, 21238932051 is an apocalyptic number.
1238932051 is a deficient number, since it is larger than the sum of its proper divisors (185351789).
1238932051 is an equidigital number, since it uses as much as digits as its factorization.
1238932051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1854.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 1238932051 is about 35198.4666001234. The cubic root of 1238932051 is about 1074.0285584246.
The spelling of 1238932051 in words is "one billion, two hundred thirty-eight million, nine hundred thirty-two thousand, fifty-one".
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