Base | Representation |
---|---|
bin | 10001101110000001… |
… | …101001011110011010 |
3 | 1211002221101112011222 |
4 | 101232001221132122 |
5 | 302431100414340 |
6 | 12423524452042 |
7 | 1242322406000 |
oct | 215601513632 |
9 | 54087345158 |
10 | 19025794970 |
11 | 80836243a6 |
12 | 382b84a022 |
13 | 1a428cc760 |
14 | cc6b70a70 |
15 | 7654828b5 |
hex | 46e06979a |
19025794970 has 256 divisors, whose sum is σ = 47972736000. Its totient is φ = 5364817920.
The previous prime is 19025794937. The next prime is 19025794973. The reversal of 19025794970 is 7949752091.
It is not an unprimeable number, because it can be changed into a prime (19025794973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14401910 + ... + 14403230.
It is an arithmetic number, because the mean of its divisors is an integer number (187393500).
Almost surely, 219025794970 is an apocalyptic number.
19025794970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19025794970 is an abundant number, since it is smaller than the sum of its proper divisors (28946941030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19025794970 is a wasteful number, since it uses less digits than its factorization.
19025794970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1398 (or 1384 counting only the distinct ones).
The product of its (nonzero) digits is 1428840, while the sum is 53.
The spelling of 19025794970 in words is "nineteen billion, twenty-five million, seven hundred ninety-four thousand, nine hundred seventy".
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