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19425228704 = 2571717832861
BaseRepresentation
bin10010000101110101…
…010111011110100000
31212010202222212020222
4102011311113132200
5304240324304304
612531314022212
71255242501560
oct220565273640
955122885228
1019425228704
118269042922
123921577968
131aa75a338b
14d23c28da0
1578a5834be
hex485d577a0

19425228704 has 96 divisors (see below), whose sum is σ = 46319890176. Its totient is φ = 7828254720.

The previous prime is 19425228701. The next prime is 19425228731. The reversal of 19425228704 is 40782252491.

It is not an unprimeable number, because it can be changed into a prime (19425228701) 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 15 ways as a sum of consecutive naturals, for example, 6788234 + ... + 6791094.

It is an arithmetic number, because the mean of its divisors is an integer number (482498856).

Almost surely, 219425228704 is an apocalyptic number.

19425228704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19425228704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23159945088).

19425228704 is an abundant number, since it is smaller than the sum of its proper divisors (26894661472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19425228704 is a wasteful number, since it uses less digits than its factorization.

19425228704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 19425228704 in words is "nineteen billion, four hundred twenty-five million, two hundred twenty-eight thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 224 238 272 476 544 952 1783 1904 2861 3566 3808 5722 7132 11444 12481 14264 20027 22888 24962 28528 30311 40054 45776 48637 49924 57056 60622 80108 91552 97274 99848 121244 160216 194548 199696 212177 242488 320432 340459 389096 399392 424354 484976 640864 680918 778192 848708 969952 1361836 1556384 1697416 2723672 3394832 5101163 5447344 6789664 10202326 10894688 20404652 35708141 40809304 71416282 81618608 86719771 142832564 163237216 173439542 285665128 346879084 571330256 607038397 693758168 1142660512 1214076794 1387516336 2428153588 2775032672 4856307176 9712614352 19425228704