Base | Representation |
---|---|
bin | 10111011001010001… |
… | …01101100001011110 |
3 | 1012102022220121210112 |
4 | 23230220231201132 |
5 | 201210331423130 |
6 | 5434153010022 |
7 | 623151330440 |
oct | 135450554136 |
9 | 35368817715 |
10 | 12560029790 |
11 | 536589a310 |
12 | 25263b3912 |
13 | 12521a72b9 |
14 | 87215c490 |
15 | 4d79e5495 |
hex | 2eca2d85e |
12560029790 has 128 divisors (see below), whose sum is σ = 29104137216. Its totient is φ = 3788928000.
The previous prime is 12560029763. The next prime is 12560029793. The reversal of 12560029790 is 9792006521.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12560029793) 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, 4134152 + ... + 4137188.
It is an arithmetic number, because the mean of its divisors is an integer number (227376072).
Almost surely, 212560029790 is an apocalyptic number.
12560029790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12560029790 is an abundant number, since it is smaller than the sum of its proper divisors (16544107426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12560029790 is a wasteful number, since it uses less digits than its factorization.
12560029790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3234.
The product of its (nonzero) digits is 68040, while the sum is 41.
The spelling of 12560029790 in words is "twelve billion, five hundred sixty million, twenty-nine thousand, seven hundred ninety".
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