Base | Representation |
---|---|
bin | 10010000011000101… |
… | …110010110111001010 |
3 | 1212000120101112120220 |
4 | 102003011302313022 |
5 | 304142034003110 |
6 | 12522551330510 |
7 | 1254143340441 |
oct | 220305626712 |
9 | 55016345526 |
10 | 19379203530 |
11 | 8245067495 |
12 | 390a080a36 |
13 | 1a9abaa24b |
14 | d1ba87d58 |
15 | 7864e1370 |
hex | 483172dca |
19379203530 has 32 divisors (see below), whose sum is σ = 46531321344. Its totient is φ = 5165428416.
The previous prime is 19379203523. The next prime is 19379203549. The reversal of 19379203530 is 3530297391.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80137 + ... + 212556.
It is an arithmetic number, because the mean of its divisors is an integer number (1454103792).
Almost surely, 219379203530 is an apocalyptic number.
19379203530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19379203530 is an abundant number, since it is smaller than the sum of its proper divisors (27152117814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19379203530 is a wasteful number, since it uses less digits than its factorization.
19379203530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294910.
The product of its (nonzero) digits is 153090, while the sum is 42.
The spelling of 19379203530 in words is "nineteen billion, three hundred seventy-nine million, two hundred three thousand, five hundred thirty".
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