Base | Representation |
---|---|
bin | 11000101110000100… |
… | …00001111110100000 |
3 | 1021020220022102010220 |
4 | 30113002001332200 |
5 | 204134423411430 |
6 | 10032522123040 |
7 | 646606163406 |
oct | 142702017640 |
9 | 37226272126 |
10 | 13271310240 |
11 | 56a03438a1 |
12 | 26a4650480 |
13 | 1336665cc6 |
14 | 8dc7d1476 |
15 | 52a195110 |
hex | 317081fa0 |
13271310240 has 96 divisors (see below), whose sum is σ = 42593475456. Its totient is φ = 3472235520.
The previous prime is 13271310139. The next prime is 13271310263. The reversal of 13271310240 is 4201317231.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×132713102402 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 13271310240.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235396 + ... + 286275.
It is an arithmetic number, because the mean of its divisors is an integer number (443682036).
Almost surely, 213271310240 is an apocalyptic number.
13271310240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13271310240 is an abundant number, since it is smaller than the sum of its proper divisors (29322165216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13271310240 is a wasteful number, since it uses less digits than its factorization.
13271310240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521742 (or 521734 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
Adding to 13271310240 its reverse (4201317231), we get a palindrome (17472627471).
The spelling of 13271310240 in words is "thirteen billion, two hundred seventy-one million, three hundred ten thousand, two hundred forty".
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