Base | Representation |
---|---|
bin | 111101001100101001… |
… | …1111000001111001010 |
3 | 110120012222001211201011 |
4 | 1322121103320033022 |
5 | 4123122303102020 |
6 | 140212443114134 |
7 | 12331511202232 |
oct | 1723123701712 |
9 | 416188054634 |
10 | 131421144010 |
11 | 5080a89a712 |
12 | 2157881294a |
13 | c515447350 |
14 | 650a122cc2 |
15 | 36429d335a |
hex | 1e994f83ca |
131421144010 has 64 divisors (see below), whose sum is σ = 271138910112. Its totient is φ = 45433552896.
The previous prime is 131421143999. The next prime is 131421144077. The reversal of 131421144010 is 10441124131.
It can be written as a sum of positive squares in 16 ways, for example, as 8049498961 + 123371645049 = 89719^2 + 351243^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272472 + ... + 580588.
Almost surely, 2131421144010 is an apocalyptic number.
131421144010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131421144010 is an abundant number, since it is smaller than the sum of its proper divisors (139717766102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131421144010 is a wasteful number, since it uses less digits than its factorization.
131421144010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308347.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 131421144010 its reverse (10441124131), we get a palindrome (141862268141).
The spelling of 131421144010 in words is "one hundred thirty-one billion, four hundred twenty-one million, one hundred forty-four thousand, ten".
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