Base | Representation |
---|---|
bin | 1011011001010111011011… |
… | …1001101100000010101101 |
3 | 1122100220012010102021110000 |
4 | 2312111312321230002231 |
5 | 3120244242043432100 |
6 | 42352220512134513 |
7 | 2432202231230436 |
oct | 266256671540255 |
9 | 48326163367400 |
10 | 12530414436525 |
11 | 3aa1134311657 |
12 | 14a458a537439 |
13 | 6cb7c7a2a05b |
14 | 3146922cc48d |
15 | 16ae28c43900 |
hex | b6576e6c0ad |
12530414436525 has 120 divisors (see below), whose sum is σ = 24268399848000. Its totient is φ = 6379505256960.
The previous prime is 12530414436523. The next prime is 12530414436577. The reversal of 12530414436525 is 52563441403521.
12530414436525 is a `hidden beast` number, since 1 + 2 + 53 + 0 + 4 + 1 + 44 + 36 + 525 = 666.
It is not a de Polignac number, because 12530414436525 - 21 = 12530414436523 is a prime.
It is a super-2 number, since 2×125304144365252 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12530414436523) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 22971349 + ... + 23510501.
It is an arithmetic number, because the mean of its divisors is an integer number (202236665400).
Almost surely, 212530414436525 is an apocalyptic number.
12530414436525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12530414436525 is a deficient number, since it is larger than the sum of its proper divisors (11737985411475).
12530414436525 is a wasteful number, since it uses less digits than its factorization.
12530414436525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 539697 (or 539683 counting only the distinct ones).
The product of its (nonzero) digits is 1728000, while the sum is 45.
The spelling of 12530414436525 in words is "twelve trillion, five hundred thirty billion, four hundred fourteen million, four hundred thirty-six thousand, five hundred twenty-five".
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