Base | Representation |
---|---|
bin | 11100001000001100… |
… | …11001100110101100 |
3 | 1102222102112000202212 |
4 | 32010012121212230 |
5 | 221411400002030 |
6 | 10534250305552 |
7 | 1043135562635 |
oct | 160406314654 |
9 | 42872460685 |
10 | 15101172140 |
11 | 644a24415a |
12 | 2b154282b8 |
13 | 15687b0222 |
14 | a3383c88c |
15 | 5d5b4b595 |
hex | 3841999ac |
15101172140 has 24 divisors (see below), whose sum is σ = 31718137920. Its totient is φ = 6039387648.
The previous prime is 15101172091. The next prime is 15101172157. The reversal of 15101172140 is 4127110151.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52124 + ... + 181436.
It is an arithmetic number, because the mean of its divisors is an integer number (1321589080).
Almost surely, 215101172140 is an apocalyptic number.
15101172140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15101172140 is an abundant number, since it is smaller than the sum of its proper divisors (16616965780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15101172140 is a wasteful number, since it uses less digits than its factorization.
15101172140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135161 (or 135159 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 23.
Adding to 15101172140 its reverse (4127110151), we get a palindrome (19228282291).
The spelling of 15101172140 in words is "fifteen billion, one hundred one million, one hundred seventy-two thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •