Base | Representation |
---|---|
bin | 111100110000001… |
… | …1010000100100011 |
3 | 12021001212111011002 |
4 | 1321200122010203 |
5 | 13133331213111 |
6 | 534140542215 |
7 | 101342202011 |
oct | 17140320443 |
9 | 5231774132 |
10 | 2038538531 |
11 | 95677a197 |
12 | 48a85196b |
13 | 26644b923 |
14 | 154a4b8b1 |
15 | bde7663b |
hex | 7981a123 |
2038538531 has 2 divisors, whose sum is σ = 2038538532. Its totient is φ = 2038538530.
The previous prime is 2038538497. The next prime is 2038538543. The reversal of 2038538531 is 1358358302.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2038538531 is a prime.
It is a super-2 number, since 2×20385385312 = 8311278684743275922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2038538431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019269265 + 1019269266.
It is an arithmetic number, because the mean of its divisors is an integer number (1019269266).
Almost surely, 22038538531 is an apocalyptic number.
2038538531 is a deficient number, since it is larger than the sum of its proper divisors (1).
2038538531 is an equidigital number, since it uses as much as digits as its factorization.
2038538531 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 86400, while the sum is 38.
The square root of 2038538531 is about 45150.1775301050. The cubic root of 2038538531 is about 1267.9622043138.
The spelling of 2038538531 in words is "two billion, thirty-eight million, five hundred thirty-eight thousand, five hundred thirty-one".
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