Base | Representation |
---|---|
bin | 10111011011111010… |
… | …01111100001001010 |
3 | 1012110212121102200211 |
4 | 23231331033201022 |
5 | 201232020023010 |
6 | 5440303551334 |
7 | 623540562100 |
oct | 135575174112 |
9 | 35425542624 |
10 | 12582189130 |
11 | 5377354a15 |
12 | 25318bb54a |
13 | 1256965534 |
14 | 875089c70 |
15 | 4d992108a |
hex | 2edf4f84a |
12582189130 has 96 divisors (see below), whose sum is σ = 26890959312. Its totient is φ = 4225536000.
The previous prime is 12582189127. The next prime is 12582189133. The reversal of 12582189130 is 3198128521.
It is an interprime number because it is at equal distance from previous prime (12582189127) and next prime (12582189133).
It can be written as a sum of positive squares in 8 ways, for example, as 10558179009 + 2024010121 = 102753^2 + 44989^2 .
It is a super-2 number, since 2×125821891302 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12582189133) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4799220 + ... + 4801840.
Almost surely, 212582189130 is an apocalyptic number.
12582189130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12582189130 is an abundant number, since it is smaller than the sum of its proper divisors (14308770182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12582189130 is a wasteful number, since it uses less digits than its factorization.
12582189130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2840 (or 2833 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 40.
The spelling of 12582189130 in words is "twelve billion, five hundred eighty-two million, one hundred eighty-nine thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •