Base | Representation |
---|---|
bin | 10001101101010000… |
… | …111010111000001000 |
3 | 1211002001100112212002 |
4 | 101231100322320020 |
5 | 302414313134232 |
6 | 12422351010132 |
7 | 1242106004444 |
oct | 215520727010 |
9 | 54061315762 |
10 | 19013021192 |
11 | 807739a260 |
12 | 3827509948 |
13 | 1a400794c9 |
14 | cc51a7824 |
15 | 7642acb62 |
hex | 46d43ae08 |
19013021192 has 32 divisors (see below), whose sum is σ = 39527827200. Its totient is φ = 8500603200.
The previous prime is 19013021179. The next prime is 19013021207. The reversal of 19013021192 is 29112031091.
It is a super-2 number, since 2×190130211922 (a number of 21 digits) contains 22 as substring.
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, 1765592 + ... + 1776327.
It is an arithmetic number, because the mean of its divisors is an integer number (1235244600).
Almost surely, 219013021192 is an apocalyptic number.
It is an amenable number.
19013021192 is an abundant number, since it is smaller than the sum of its proper divisors (20514806008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19013021192 is a wasteful number, since it uses less digits than its factorization.
19013021192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3541997 (or 3541993 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 29.
The spelling of 19013021192 in words is "nineteen billion, thirteen million, twenty-one thousand, one hundred ninety-two".
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