Base | Representation |
---|---|
bin | 11100001000000100… |
… | …00011000110101000 |
3 | 1102222100101001222020 |
4 | 32010002003012220 |
5 | 221411102001100 |
6 | 10534210024440 |
7 | 1043123102106 |
oct | 160402030650 |
9 | 42870331866 |
10 | 15100031400 |
11 | 64496350a3 |
12 | 2b14b78120 |
13 | 15684a0c2c |
14 | a33622c76 |
15 | 5d59c35a0 |
hex | 3840831a8 |
15100031400 has 48 divisors (see below), whose sum is σ = 46810099200. Its totient is φ = 4026674880.
The previous prime is 15100031399. The next prime is 15100031407. The reversal of 15100031400 is 413000151.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 15100031400.
It is not an unprimeable number, because it can be changed into a prime (15100031407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12582760 + ... + 12583959.
It is an arithmetic number, because the mean of its divisors is an integer number (975210400).
Almost surely, 215100031400 is an apocalyptic number.
15100031400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15100031400 is an abundant number, since it is smaller than the sum of its proper divisors (31710067800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15100031400 is a wasteful number, since it uses less digits than its factorization.
15100031400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25166738 (or 25166729 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
Adding to 15100031400 its reverse (413000151), we get a palindrome (15513031551).
The spelling of 15100031400 in words is "fifteen billion, one hundred million, thirty-one thousand, four hundred".
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