Base | Representation |
---|---|
bin | 1000000101110111110… |
… | …0101110010001111101 |
3 | 111021211012112110022200 |
4 | 2001131330232101331 |
5 | 4234200334342030 |
6 | 143510201102113 |
7 | 13020632205366 |
oct | 2013574562175 |
9 | 437735473280 |
10 | 139015152765 |
11 | 53a5747a905 |
12 | 22b37a87939 |
13 | 1015582bb58 |
14 | 6a2a906b6d |
15 | 3939534d60 |
hex | 205df2e47d |
139015152765 has 12 divisors (see below), whose sum is σ = 240959598204. Its totient is φ = 74141414784.
The previous prime is 139015152697. The next prime is 139015152779. The reversal of 139015152765 is 567251510931.
139015152765 is a `hidden beast` number, since 1 + 390 + 151 + 52 + 7 + 65 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 22120910361 + 116894242404 = 148731^2 + 341898^2 .
It is not a de Polignac number, because 139015152765 - 28 = 139015152509 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3089225617 = 139015152765 / (1 + 3 + 9 + 0 + 1 + 5 + 1 + 5 + 2 + 7 + 6 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 139015152765.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1544612764 + ... + 1544612853.
It is an arithmetic number, because the mean of its divisors is an integer number (20079966517).
Almost surely, 2139015152765 is an apocalyptic number.
139015152765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
139015152765 is a deficient number, since it is larger than the sum of its proper divisors (101944445439).
139015152765 is a wasteful number, since it uses less digits than its factorization.
139015152765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3089225628 (or 3089225625 counting only the distinct ones).
The product of its (nonzero) digits is 283500, while the sum is 45.
The spelling of 139015152765 in words is "one hundred thirty-nine billion, fifteen million, one hundred fifty-two thousand, seven hundred sixty-five".
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