Base | Representation |
---|---|
bin | 11100110010000101… |
… | …01000001110110100 |
3 | 1110212220121120212110 |
4 | 32121002220032310 |
5 | 223121320130022 |
6 | 11033200451020 |
7 | 1054633061010 |
oct | 163102501664 |
9 | 43786546773 |
10 | 15452505012 |
11 | 660a5997aa |
12 | 2bb3019a70 |
13 | 15c3511cb9 |
14 | a68375540 |
15 | 6068ea00c |
hex | 3990a83b4 |
15452505012 has 96 divisors (see below), whose sum is σ = 43184074752. Its totient is φ = 4204797696.
The previous prime is 15452504987. The next prime is 15452505017. The reversal of 15452505012 is 21050525451.
It is a super-2 number, since 2×154525050122 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15452505017) 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, 432993 + ... + 467319.
It is an arithmetic number, because the mean of its divisors is an integer number (449834112).
Almost surely, 215452505012 is an apocalyptic number.
15452505012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15452505012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21592037376).
15452505012 is an abundant number, since it is smaller than the sum of its proper divisors (27731569740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15452505012 is a wasteful number, since it uses less digits than its factorization.
15452505012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34597 (or 34595 counting only the distinct ones).
The product of its (nonzero) digits is 10000, while the sum is 30.
The spelling of 15452505012 in words is "fifteen billion, four hundred fifty-two million, five hundred five thousand, twelve".
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