Base | Representation |
---|---|
bin | 11100100001100111… |
… | …00100101000100110 |
3 | 1110112021122002122020 |
4 | 32100303210220212 |
5 | 222330432343030 |
6 | 11011343244010 |
7 | 1051334513466 |
oct | 162063445046 |
9 | 43467562566 |
10 | 15314340390 |
11 | 6549600668 |
12 | 2b748a9606 |
13 | 15a09c819b |
14 | a53c8bba6 |
15 | 5e9707510 |
hex | 390ce4a26 |
15314340390 has 64 divisors (see below), whose sum is σ = 37252085760. Its totient is φ = 4028618880.
The previous prime is 15314340389. The next prime is 15314340397. The reversal of 15314340390 is 9304341351.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15314340397) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3806580 + ... + 3810600.
It is an arithmetic number, because the mean of its divisors is an integer number (582063840).
Almost surely, 215314340390 is an apocalyptic number.
15314340390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15314340390 is an abundant number, since it is smaller than the sum of its proper divisors (21937745370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15314340390 is a wasteful number, since it uses less digits than its factorization.
15314340390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5717.
The product of its (nonzero) digits is 19440, while the sum is 33.
The spelling of 15314340390 in words is "fifteen billion, three hundred fourteen million, three hundred forty thousand, three hundred ninety".
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