Base | Representation |
---|---|
bin | 11111000000110111111… |
… | …100101000110001000000 |
3 | 21112202002221121122020001 |
4 | 133000313330220301000 |
5 | 234404241024440222 |
6 | 4311025041325344 |
7 | 306656113452004 |
oct | 37006774506100 |
9 | 7482087548201 |
10 | 2131242421312 |
11 | 751944870494 |
12 | 2a5070936854 |
13 | 125c8a964034 |
14 | 7521cd6c704 |
15 | 3a689e5ae27 |
hex | 1f037f28c40 |
2131242421312 has 28 divisors (see below), whose sum is σ = 4271057303436. Its totient is φ = 1055070502400.
The previous prime is 2131242421303. The next prime is 2131242421367.
2131242421312 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 2 ways, for example, as 1812857587776 + 318384833536 = 1346424^2 + 564256^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164848303 + ... + 164861230.
It is an arithmetic number, because the mean of its divisors is an integer number (152537760837).
Almost surely, 22131242421312 is an apocalyptic number.
It is an amenable number.
2131242421312 is an abundant number, since it is smaller than the sum of its proper divisors (2139814882124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131242421312 is a wasteful number, since it uses less digits than its factorization.
2131242421312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329709646 (or 329709636 counting only the distinct ones).
The product of its digits is 4608, while the sum is 28.
The spelling of 2131242421312 in words is "two trillion, one hundred thirty-one billion, two hundred forty-two million, four hundred twenty-one thousand, three hundred twelve".
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