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19151040330 = 233570929779
BaseRepresentation
bin10001110101011111…
…011010111101001010
31211102200001122112000
4101311133122331022
5303210131242310
612444201131430
71245403104552
oct216537327512
954380048460
1019151040330
118138299064
123865789b76
131a62842036
14cd9654162
157714724c0
hex4757daf4a

19151040330 has 32 divisors (see below), whose sum is σ = 51069441600. Its totient is φ = 5106944016.

The previous prime is 19151040323. The next prime is 19151040343. The reversal of 19151040330 is 3304015191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 19151040294 and 19151040303.

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, 35464620 + ... + 35465159.

It is an arithmetic number, because the mean of its divisors is an integer number (1595920050).

Almost surely, 219151040330 is an apocalyptic number.

19151040330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19151040330 is an abundant number, since it is smaller than the sum of its proper divisors (31918401270).

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

19151040330 is a wasteful number, since it uses less digits than its factorization.

19151040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70929795 (or 70929789 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The spelling of 19151040330 in words is "nineteen billion, one hundred fifty-one million, forty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 70929779 141859558 212789337 354648895 425578674 638368011 709297790 1063946685 1276736022 1915104033 2127893370 3191840055 3830208066 6383680110 9575520165 19151040330