Base | Representation |
---|---|
bin | 101101001001111… |
… | …0101101100111011 |
3 | 10220121000121020211 |
4 | 1122103311230323 |
5 | 11100334301024 |
6 | 410202531551 |
7 | 52355364226 |
oct | 13223655473 |
9 | 3817017224 |
10 | 1515150139 |
11 | 7082987a8 |
12 | 363506bb7 |
13 | 1b1b98059 |
14 | 1053285bd |
15 | 8d03d594 |
hex | 5a4f5b3b |
1515150139 has 16 divisors (see below), whose sum is σ = 1618725888. Its totient is φ = 1414873152.
The previous prime is 1515150059. The next prime is 1515150191. The reversal of 1515150139 is 9310515151.
It is not a de Polignac number, because 1515150139 - 29 = 1515149627 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1515150139.
It is not an unprimeable number, because it can be changed into a prime (1515153139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492484 + ... + 495550.
It is an arithmetic number, because the mean of its divisors is an integer number (101170368).
Almost surely, 21515150139 is an apocalyptic number.
1515150139 is a deficient number, since it is larger than the sum of its proper divisors (103575749).
1515150139 is a wasteful number, since it uses less digits than its factorization.
1515150139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3594.
The product of its (nonzero) digits is 3375, while the sum is 31.
The square root of 1515150139 is about 38924.9295310859. The cubic root of 1515150139 is about 1148.5552465753. Note that the first 3 decimals are identical.
The spelling of 1515150139 in words is "one billion, five hundred fifteen million, one hundred fifty thousand, one hundred thirty-nine".
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