Base | Representation |
---|---|
bin | 10011000101101010100… |
… | …101001010100111010100 |
3 | 11122101212022222111010101 |
4 | 103011222211022213110 |
5 | 132442432301343410 |
6 | 2442335554303444 |
7 | 163525315554454 |
oct | 23055245124724 |
9 | 4571768874111 |
10 | 1311753152980 |
11 | 466347503a66 |
12 | 192287587b84 |
13 | 9690c08172a |
14 | 476bc4abd64 |
15 | 241c5b85d3a |
hex | 1316a94a9d4 |
1311753152980 has 24 divisors (see below), whose sum is σ = 2781955701000. Its totient is φ = 519506198400.
The previous prime is 1311753152971. The next prime is 1311753153001. The reversal of 1311753152980 is 892513571131.
It can be written as a sum of positive squares in 4 ways, for example, as 278940309904 + 1032812843076 = 528148^2 + 1016274^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1311753152980.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 324689355 + ... + 324693394.
It is an arithmetic number, because the mean of its divisors is an integer number (115914820875).
Almost surely, 21311753152980 is an apocalyptic number.
1311753152980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1311753152980 is an abundant number, since it is smaller than the sum of its proper divisors (1470202548020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311753152980 is a wasteful number, since it uses less digits than its factorization.
1311753152980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 649382859 (or 649382857 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 46.
The spelling of 1311753152980 in words is "one trillion, three hundred eleven billion, seven hundred fifty-three million, one hundred fifty-two thousand, nine hundred eighty".
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