Base | Representation |
---|---|
bin | 1101101111110100100000… |
… | …1100110001101001010100 |
3 | 1222111222222100202212120212 |
4 | 3123331020030301221110 |
5 | 3440121413003121002 |
6 | 52051454431344552 |
7 | 3120015530345204 |
oct | 333751014615124 |
9 | 58458870685525 |
10 | 15115201223252 |
11 | 48a83590466a9 |
12 | 1841516382158 |
13 | 858485170280 |
14 | 3a381877a404 |
15 | 1b32ab1b0352 |
hex | dbf48331a54 |
15115201223252 has 24 divisors (see below), whose sum is σ = 28526519032200. Its totient is φ = 6966407143296.
The previous prime is 15115201223249. The next prime is 15115201223273. The reversal of 15115201223252 is 25232210251151.
15115201223252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 555436316176 + 14559764907076 = 745276^2 + 3815726^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204953927 + ... + 205027662.
It is an arithmetic number, because the mean of its divisors is an integer number (1188604959675).
Almost surely, 215115201223252 is an apocalyptic number.
It is an amenable number.
15115201223252 is a deficient number, since it is larger than the sum of its proper divisors (13411317808948).
15115201223252 is a wasteful number, since it uses less digits than its factorization.
15115201223252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 409982315 (or 409982313 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 32.
The spelling of 15115201223252 in words is "fifteen trillion, one hundred fifteen billion, two hundred one million, two hundred twenty-three thousand, two hundred fifty-two".
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