Base | Representation |
---|---|
bin | 1101110110100001011101… |
… | …0100101010100000000000 |
3 | 1222221000011221201021100000 |
4 | 3131220113110222200000 |
5 | 3444013221400341134 |
6 | 52220420221200000 |
7 | 3131233104144420 |
oct | 335502724524000 |
9 | 58830157637300 |
10 | 15230345324544 |
11 | 4942175977199 |
12 | 185b8aba00000 |
13 | 8662a5310a9c |
14 | 3a921cc12480 |
15 | 1b6299bc5e99 |
hex | dda1752a800 |
15230345324544 has 1152 divisors, whose sum is σ = 55262120659200. Its totient is φ = 4097884815360.
The previous prime is 15230345324527. The next prime is 15230345324549. The reversal of 15230345324544 is 44542354303251.
15230345324544 is a `hidden beast` number, since 1 + 5 + 2 + 3 + 0 + 34 + 53 + 24 + 544 = 666.
It is a tau number, because it is divible by the number of its divisors (1152).
It is a self number, because there is not a number n which added to its sum of digits gives 15230345324544.
It is not an unprimeable number, because it can be changed into a prime (15230345324549) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4142055634 + ... + 4142059310.
It is an arithmetic number, because the mean of its divisors is an integer number (47970590850).
Almost surely, 215230345324544 is an apocalyptic number.
15230345324544 is a gapful number since it is divisible by the number (14) 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 15230345324544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27631060329600).
15230345324544 is an abundant number, since it is smaller than the sum of its proper divisors (40031775334656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15230345324544 is an equidigital number, since it uses as much as digits as its factorization.
15230345324544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3791 (or 3759 counting only the distinct ones).
The product of its (nonzero) digits is 3456000, while the sum is 45.
Adding to 15230345324544 its reverse (44542354303251), we get a palindrome (59772699627795).
The spelling of 15230345324544 in words is "fifteen trillion, two hundred thirty billion, three hundred forty-five million, three hundred twenty-four thousand, five hundred forty-four".
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