Base | Representation |
---|---|
bin | 10011000101111111011… |
… | …001000100010100011010 |
3 | 11122102202122222010220200 |
4 | 103011333121010110122 |
5 | 132444141142144002 |
6 | 2442434350003030 |
7 | 163540055361531 |
oct | 23057731042432 |
9 | 4572678863820 |
10 | 1312102303002 |
11 | 4665065a85a7 |
12 | 1923644a6476 |
13 | 969664caa8a |
14 | 477129d7318 |
15 | 241e6652b1c |
hex | 1317f64451a |
1312102303002 has 48 divisors (see below), whose sum is σ = 2964848070912. Its totient is φ = 418895297280.
The previous prime is 1312102302943. The next prime is 1312102303009. The reversal of 1312102303002 is 2003032012131.
1312102303002 is a `hidden beast` number, since 13 + 121 + 0 + 230 + 300 + 2 = 666.
It is a super-2 number, since 2×13121023030022 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1312102303009) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12066688 + ... + 12174939.
It is an arithmetic number, because the mean of its divisors is an integer number (61767668144).
Almost surely, 21312102303002 is an apocalyptic number.
1312102303002 is an abundant number, since it is smaller than the sum of its proper divisors (1652745767910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312102303002 is a wasteful number, since it uses less digits than its factorization.
1312102303002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24241763 (or 24241760 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 1312102303002 its reverse (2003032012131), we get a palindrome (3315134315133).
The spelling of 1312102303002 in words is "one trillion, three hundred twelve billion, one hundred two million, three hundred three thousand, two".
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