Base | Representation |
---|---|
bin | 1011110100000010001001… |
… | …0010101000001111101110 |
3 | 1200222200201211101000112200 |
4 | 2331000202102220033232 |
5 | 3200301030420140021 |
6 | 43342505504442330 |
7 | 2510251351612626 |
oct | 275004222501756 |
9 | 50880654330480 |
10 | 12988556411886 |
11 | 4158463535660 |
12 | 15593293193a6 |
13 | 732a7ab9a6c3 |
14 | 32c914285886 |
15 | 177cdebc4126 |
hex | bd0224a83ee |
12988556411886 has 48 divisors (see below), whose sum is σ = 31690554075648. Its totient is φ = 3808960822800.
The previous prime is 12988556411879. The next prime is 12988556411893. The reversal of 12988556411886 is 68811465588921.
12988556411886 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 85 + 56 + 411 + 8 + 86 = 666.
It is an interprime number because it is at equal distance from previous prime (12988556411879) and next prime (12988556411893).
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, 1058038536 + ... + 1058050811.
It is an arithmetic number, because the mean of its divisors is an integer number (660219876576).
Almost surely, 212988556411886 is an apocalyptic number.
12988556411886 is an abundant number, since it is smaller than the sum of its proper divisors (18701997663762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12988556411886 is a wasteful number, since it uses less digits than its factorization.
12988556411886 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2116089397 (or 2116089394 counting only the distinct ones).
The product of its digits is 265420800, while the sum is 72.
The spelling of 12988556411886 in words is "twelve trillion, nine hundred eighty-eight billion, five hundred fifty-six million, four hundred eleven thousand, eight hundred eighty-six".
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