Base | Representation |
---|---|
bin | 1000000100111011100… |
… | …1011010000001100101 |
3 | 111021011121100201112010 |
4 | 2001032321122001211 |
5 | 4233141213001000 |
6 | 143425140344433 |
7 | 13011444565245 |
oct | 2011671320145 |
9 | 437147321463 |
10 | 138762625125 |
11 | 53937980083 |
12 | 22a873a5119 |
13 | 10115412b07 |
14 | 6a0516db25 |
15 | 39222a1d50 |
hex | 204ee5a065 |
138762625125 has 16 divisors (see below), whose sum is σ = 230901008832. Its totient is φ = 74006733200.
The previous prime is 138762625117. The next prime is 138762625151. The reversal of 138762625125 is 521526267831.
It is not a de Polignac number, because 138762625125 - 23 = 138762625117 is a prime.
It is a super-2 number, since 2×1387626251252 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185016459 + ... + 185017208.
It is an arithmetic number, because the mean of its divisors is an integer number (14431313052).
Almost surely, 2138762625125 is an apocalyptic number.
138762625125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
138762625125 is a deficient number, since it is larger than the sum of its proper divisors (92138383707).
138762625125 is an equidigital number, since it uses as much as digits as its factorization.
138762625125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370033685 (or 370033675 counting only the distinct ones).
The product of its digits is 1209600, while the sum is 48.
The spelling of 138762625125 in words is "one hundred thirty-eight billion, seven hundred sixty-two million, six hundred twenty-five thousand, one hundred twenty-five".
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