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19704800150 = 252779712651
BaseRepresentation
bin10010010110011111…
…110110001110010110
31212212021001120011222
4102112133312032112
5310323412101100
613015142130342
71265206015640
oct222637661626
955767046158
1019704800150
1183a1934002
12399b1209b2
131b2049a979
14d4d001890
157a4da9485
hex4967f6396

19704800150 has 48 divisors (see below), whose sum is σ = 42417047040. Its totient is φ = 6670404000.

The previous prime is 19704800123. The next prime is 19704800153. The reversal of 19704800150 is 5100840791.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19704800150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19704800153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328676 + ... + 383975.

It is an arithmetic number, because the mean of its divisors is an integer number (883688480).

Almost surely, 219704800150 is an apocalyptic number.

19704800150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19704800150 is an abundant number, since it is smaller than the sum of its proper divisors (22712246890).

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

19704800150 is a wasteful number, since it uses less digits than its factorization.

19704800150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712749 (or 712744 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 19704800150 in words is "nineteen billion, seven hundred four million, eight hundred thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 79 158 175 350 395 553 790 1106 1975 2765 3950 5530 13825 27650 712651 1425302 3563255 4988557 7126510 9977114 17816275 24942785 35632550 49885570 56299429 112598858 124713925 249427850 281497145 394096003 562994290 788192006 1407485725 1970480015 2814971450 3940960030 9852400075 19704800150