Base | Representation |
---|---|
bin | 11011111101101110… |
… | …01111101110100010 |
3 | 1102202022012100022000 |
4 | 31332313033232202 |
5 | 221221402012232 |
6 | 10521431224430 |
7 | 1041021026061 |
oct | 157667175642 |
9 | 42668170260 |
10 | 15013313442 |
11 | 6404695666 |
12 | 2aabb18116 |
13 | 155352ab2a |
14 | a25ccc1d8 |
15 | 5cd09427c |
hex | 37edcfba2 |
15013313442 has 16 divisors (see below), whose sum is σ = 33362918880. Its totient is φ = 5004437796.
The previous prime is 15013313431. The next prime is 15013313501. The reversal of 15013313442 is 24431331051.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139012108 + ... + 139012215.
It is an arithmetic number, because the mean of its divisors is an integer number (2085182430).
Almost surely, 215013313442 is an apocalyptic number.
15013313442 is an abundant number, since it is smaller than the sum of its proper divisors (18349605438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15013313442 is a wasteful number, since it uses less digits than its factorization.
15013313442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278024334 (or 278024328 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Adding to 15013313442 its reverse (24431331051), we get a palindrome (39444644493).
It can be divided in two parts, 15013 and 313442, that added together give a triangular number (328455 = T810).
The spelling of 15013313442 in words is "fifteen billion, thirteen million, three hundred thirteen thousand, four hundred forty-two".
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