Base | Representation |
---|---|
bin | 1011110011111110001001… |
… | …1100000110110001011010 |
3 | 1200222120222011121111112021 |
4 | 2330333202130012301122 |
5 | 3200241332144420034 |
6 | 43342211320005054 |
7 | 2510212663230142 |
oct | 274774234066132 |
9 | 50876864544467 |
10 | 12987485154394 |
11 | 4157a63871a93 |
12 | 155908a60078a |
13 | 732939c7152a |
14 | 32c851ca9922 |
15 | 177c7ab196b4 |
hex | bcfe2706c5a |
12987485154394 has 16 divisors (see below), whose sum is σ = 19598408923968. Its totient is φ = 6454684271872.
The previous prime is 12987485154367. The next prime is 12987485154431. The reversal of 12987485154394 is 49345158478921.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12389754 + ... + 13397050.
It is an arithmetic number, because the mean of its divisors is an integer number (1224900557748).
Almost surely, 212987485154394 is an apocalyptic number.
12987485154394 is a deficient number, since it is larger than the sum of its proper divisors (6610923769574).
12987485154394 is a wasteful number, since it uses less digits than its factorization.
12987485154394 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1046069.
The product of its digits is 348364800, while the sum is 70.
The spelling of 12987485154394 in words is "twelve trillion, nine hundred eighty-seven billion, four hundred eighty-five million, one hundred fifty-four thousand, three hundred ninety-four".
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