Base | Representation |
---|---|
bin | 11011110100101110100… |
… | …000011000011100001000 |
3 | 20202210022101212210122101 |
4 | 123310232200120130020 |
5 | 222311324403443433 |
6 | 4022213535403144 |
7 | 255066102453250 |
oct | 33645640303410 |
9 | 6683271783571 |
10 | 1912040687368 |
11 | 67798a137389 |
12 | 26a6966834b4 |
13 | 10b3c6463b16 |
14 | 687869dc960 |
15 | 34b0ad9e07d |
hex | 1bd2e818708 |
1912040687368 has 16 divisors (see below), whose sum is σ = 4097230044480. Its totient is φ = 819446008848.
The previous prime is 1912040687363. The next prime is 1912040687393. The reversal of 1912040687368 is 8637860402191.
It is not an unprimeable number, because it can be changed into a prime (1912040687363) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17071791796 + ... + 17071791907.
It is an arithmetic number, because the mean of its divisors is an integer number (256076877780).
Almost surely, 21912040687368 is an apocalyptic number.
It is an amenable number.
1912040687368 is an abundant number, since it is smaller than the sum of its proper divisors (2185189357112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1912040687368 is a wasteful number, since it uses less digits than its factorization.
1912040687368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34143583716 (or 34143583712 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 55.
The spelling of 1912040687368 in words is "one trillion, nine hundred twelve billion, forty million, six hundred eighty-seven thousand, three hundred sixty-eight".
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