Base | Representation |
---|---|
bin | 1000000101010110101… |
… | …1110111001011100011 |
3 | 111021110112122221010020 |
4 | 2001111223313023203 |
5 | 4233404341440133 |
6 | 143444325404523 |
7 | 13014326620650 |
oct | 2012553671343 |
9 | 437415587106 |
10 | 138876515043 |
11 | 53996199282 |
12 | 22ab9569743 |
13 | 10132baa8b6 |
14 | 6a16338c27 |
15 | 392c29c0b3 |
hex | 2055af72e3 |
138876515043 has 32 divisors (see below), whose sum is σ = 217255772160. Its totient is φ = 77262788640.
The previous prime is 138876514991. The next prime is 138876515047. The reversal of 138876515043 is 340515678831.
It is not a de Polignac number, because 138876515043 - 28 = 138876514787 is a prime.
It is not an unprimeable number, because it can be changed into a prime (138876515047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179823 + ... + 556856.
It is an arithmetic number, because the mean of its divisors is an integer number (6789242880).
Almost surely, 2138876515043 is an apocalyptic number.
138876515043 is a deficient number, since it is larger than the sum of its proper divisors (78379257117).
138876515043 is a wasteful number, since it uses less digits than its factorization.
138876515043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 736927.
The product of its (nonzero) digits is 2419200, while the sum is 51.
The spelling of 138876515043 in words is "one hundred thirty-eight billion, eight hundred seventy-six million, five hundred fifteen thousand, forty-three".
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