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1297876142900 = 2252112312019623
BaseRepresentation
bin10010111000101111011…
…100100100101100110100
311121002001012221100000002
4102320233130210230310
5132231022243033100
62432122554010432
7162524403122231
oct22705734445464
94532035840002
101297876142900
11460476279997
1218b654116a18
139550a0a566c
1446b6348c788
1523b627492d5
hex12e2f724b34

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".

Divisors: 1 2 4 5 10 20 25 50 100 1123 1201 2246 2402 4492 4804 5615 6005 9623 11230 12010 19246 22460 24020 28075 30025 38492 48115 56150 60050 96230 112300 120100 192460 240575 481150 962300 1348723 2697446 5394892 6743615 10806629 11557223 13487230 21613258 23114446 26974460 33718075 43226516 46228892 54033145 57786115 67436150 108066290 115572230 134872300 216132580 231144460 270165725 288930575 540331450 577861150 1080662900 1155722300 12978761429 25957522858 51915045716 64893807145 129787614290 259575228580 324469035725 648938071450 1297876142900