Base | Representation |
---|---|
bin | 101001000110001… |
… | …0100001100100011 |
3 | 10120002202102201122 |
4 | 1102030110030203 |
5 | 10311003211123 |
6 | 344455522455 |
7 | 46112653010 |
oct | 12214241443 |
9 | 3502672648 |
10 | 1378960163 |
11 | 6484291a9 |
12 | 32598942b |
13 | 18c8c2c79 |
14 | d11d6707 |
15 | 810dabc8 |
hex | 52314323 |
1378960163 has 12 divisors (see below), whose sum is σ = 1613472048. Its totient is φ = 1154467440.
The previous prime is 1378960159. The next prime is 1378960223. The reversal of 1378960163 is 3610698731.
It is not a de Polignac number, because 1378960163 - 22 = 1378960159 is a prime.
It is a super-2 number, since 2×13789601632 = 3803062262281973138, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1378960123) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40328 + ... + 66213.
It is an arithmetic number, because the mean of its divisors is an integer number (134456004).
Almost surely, 21378960163 is an apocalyptic number.
1378960163 is a deficient number, since it is larger than the sum of its proper divisors (234511885).
1378960163 is an equidigital number, since it uses as much as digits as its factorization.
1378960163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106634 (or 106591 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 44.
The square root of 1378960163 is about 37134.3528690080. The cubic root of 1378960163 is about 1113.0565764109.
The spelling of 1378960163 in words is "one billion, three hundred seventy-eight million, nine hundred sixty thousand, one hundred sixty-three".
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