Base | Representation |
---|---|
bin | 1011011001100101011000… |
… | …1011001000111010100000 |
3 | 1122101020212011222101211012 |
4 | 2312121112023020322200 |
5 | 3120324430021033100 |
6 | 42354040323440052 |
7 | 2432364114631022 |
oct | 266312613107240 |
9 | 48336764871735 |
10 | 12534160330400 |
11 | 3aa2786818115 |
12 | 14a5254b26028 |
13 | 6cbc73acc0c7 |
14 | 3149299b8012 |
15 | 16b097a23135 |
hex | b66562c8ea0 |
12534160330400 has 72 divisors (see below), whose sum is σ = 30599694736380. Its totient is φ = 5013553397760.
The previous prime is 12534160330397. The next prime is 12534160330441. The reversal of 12534160330400 is 403306143521.
It can be written as a sum of positive squares in 6 ways, for example, as 760670042896 + 11773490287504 = 872164^2 + 3431252^2 .
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42708962 + ... + 43001438.
Almost surely, 212534160330400 is an apocalyptic number.
12534160330400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12534160330400 is an abundant number, since it is smaller than the sum of its proper divisors (18065534405980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12534160330400 is a wasteful number, since it uses less digits than its factorization.
12534160330400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346066 (or 346053 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 32.
Adding to 12534160330400 its reverse (403306143521), we get a palindrome (12937466473921).
The spelling of 12534160330400 in words is "twelve trillion, five hundred thirty-four billion, one hundred sixty million, three hundred thirty thousand, four hundred".
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