Base | Representation |
---|---|
bin | 10010111000110110101… |
… | …010000101010100001100 |
3 | 11121002100122120212002000 |
4 | 102320312222011110030 |
5 | 132231244230444001 |
6 | 2432142555032300 |
7 | 162530402343324 |
oct | 22706652052414 |
9 | 4532318525060 |
10 | 1297997124876 |
11 | 4605285a14a1 |
12 | 18b68873b690 |
13 | 9552918452a |
14 | 46b75582284 |
15 | 23b6d195a86 |
hex | 12e36a8550c |
1297997124876 has 48 divisors (see below), whose sum is σ = 3473731860480. Its totient is φ = 418708748880.
The previous prime is 1297997124761. The next prime is 1297997124877. The reversal of 1297997124876 is 6784217997921.
1297997124876 is a `hidden beast` number, since 1 + 2 + 9 + 79 + 9 + 71 + 2 + 487 + 6 = 666.
It is not an unprimeable number, because it can be changed into a prime (1297997124877) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193843296 + ... + 193849991.
It is an arithmetic number, because the mean of its divisors is an integer number (72369413760).
Almost surely, 21297997124876 is an apocalyptic number.
It is an amenable number.
1297997124876 is an abundant number, since it is smaller than the sum of its proper divisors (2175734735604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1297997124876 is a wasteful number, since it uses less digits than its factorization.
1297997124876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387693331 (or 387693323 counting only the distinct ones).
The product of its digits is 192036096, while the sum is 72.
The spelling of 1297997124876 in words is "one trillion, two hundred ninety-seven billion, nine hundred ninety-seven million, one hundred twenty-four thousand, eight hundred seventy-six".
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