Base | Representation |
---|---|
bin | 10010000010110110… |
… | …011100111001010000 |
3 | 1212000021211012020211 |
4 | 102002312130321100 |
5 | 304140021301032 |
6 | 12522325213504 |
7 | 1254064216210 |
oct | 220266347120 |
9 | 55007735224 |
10 | 19375181392 |
11 | 824286a606 |
12 | 3908861294 |
13 | 1a9a0cc598 |
14 | d1b31c240 |
15 | 785e99747 |
hex | 482d9ce50 |
19375181392 has 20 divisors (see below), whose sum is σ = 42902187616. Its totient is φ = 8303649120.
The previous prime is 19375181383. The next prime is 19375181411. The reversal of 19375181392 is 29318157391.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86496234 + ... + 86496457.
Almost surely, 219375181392 is an apocalyptic number.
It is an amenable number.
19375181392 is an abundant number, since it is smaller than the sum of its proper divisors (23527006224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19375181392 is a wasteful number, since it uses less digits than its factorization.
19375181392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172992706 (or 172992700 counting only the distinct ones).
The product of its digits is 408240, while the sum is 49.
The spelling of 19375181392 in words is "nineteen billion, three hundred seventy-five million, one hundred eighty-one thousand, three hundred ninety-two".
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