Base | Representation |
---|---|
bin | 10010111000101111011… |
… | …100100100101100110100 |
3 | 11121002001012221100000002 |
4 | 102320233130210230310 |
5 | 132231022243033100 |
6 | 2432122554010432 |
7 | 162524403122231 |
oct | 22705734445464 |
9 | 4532035840002 |
10 | 1297876142900 |
11 | 460476279997 |
12 | 18b654116a18 |
13 | 9550a0a566c |
14 | 46b6348c788 |
15 | 23b627492d5 |
hex | 12e2f724b34 |
1297876142900 has 72 divisors (see below), whose sum is σ = 2821539451584. Its totient is φ = 518202432000.
The previous prime is 1297876142833. The next prime is 1297876142933. The reversal of 1297876142900 is 92416787921.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134867489 + ... + 134877111.
Almost surely, 21297876142900 is an apocalyptic number.
1297876142900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1297876142900 is an abundant number, since it is smaller than the sum of its proper divisors (1523663308684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1297876142900 is a wasteful number, since it uses less digits than its factorization.
1297876142900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11961 (or 11954 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 56.
The spelling of 1297876142900 in words is "one trillion, two hundred ninety-seven billion, eight hundred seventy-six million, one hundred forty-two thousand, nine hundred".
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