Base | Representation |
---|---|
bin | 10111011001101101… |
… | …10011101010000010 |
3 | 1012102120212100120120 |
4 | 23230312303222002 |
5 | 201212303144210 |
6 | 5434404121110 |
7 | 623224620441 |
oct | 135466635202 |
9 | 35376770516 |
10 | 12563724930 |
11 | 5367993549 |
12 | 2527696196 |
13 | 1252b9c183 |
14 | 872840d58 |
15 | 4d7ec5270 |
hex | 2ecdb3a82 |
12563724930 has 128 divisors (see below), whose sum is σ = 31912704000. Its totient is φ = 3159281664.
The previous prime is 12563724881. The next prime is 12563724937. The reversal of 12563724930 is 3942736521.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12563724937) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27981346 + ... + 27981794.
It is an arithmetic number, because the mean of its divisors is an integer number (249318000).
Almost surely, 212563724930 is an apocalyptic number.
12563724930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12563724930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15956352000).
12563724930 is an abundant number, since it is smaller than the sum of its proper divisors (19348979070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12563724930 is a wasteful number, since it uses less digits than its factorization.
12563724930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968.
The product of its (nonzero) digits is 272160, while the sum is 42.
The spelling of 12563724930 in words is "twelve billion, five hundred sixty-three million, seven hundred twenty-four thousand, nine hundred thirty".
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