Base | Representation |
---|---|
bin | 11100001100100001… |
… | …00110011110100100 |
3 | 1110001221200122001212 |
4 | 32012100212132210 |
5 | 222000133310430 |
6 | 10542023010552 |
7 | 1044055532450 |
oct | 160620463644 |
9 | 43057618055 |
10 | 15137400740 |
11 | 6468739250 |
12 | 2b25599a58 |
13 | 1573156277 |
14 | a3858d660 |
15 | 5d8e05b95 |
hex | 3864267a4 |
15137400740 has 48 divisors (see below), whose sum is σ = 39632471424. Its totient is φ = 4718150400.
The previous prime is 15137400739. The next prime is 15137400827. The reversal of 15137400740 is 4700473151.
It is a junction number, because it is equal to n+sod(n) for n = 15137400697 and 15137400706.
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, 4913201 + ... + 4916280.
It is an arithmetic number, because the mean of its divisors is an integer number (825676488).
Almost surely, 215137400740 is an apocalyptic number.
15137400740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15137400740 is an abundant number, since it is smaller than the sum of its proper divisors (24495070684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15137400740 is a wasteful number, since it uses less digits than its factorization.
15137400740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9829508 (or 9829506 counting only the distinct ones).
The product of its (nonzero) digits is 11760, while the sum is 32.
Adding to 15137400740 its reverse (4700473151), we get a palindrome (19837873891).
The spelling of 15137400740 in words is "fifteen billion, one hundred thirty-seven million, four hundred thousand, seven hundred forty".
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