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19128690300 = 22352211302191
BaseRepresentation
bin10001110100001010…
…001010011001111100
31211101010000011001010
4101310022022121330
5303133421042200
612442042115220
71245012120246
oct216412123174
954333004033
1019128690300
118126713165
12385a1abb10
131a5b018075
14cd66b7096
1576e50a150
hex47428a67c

19128690300 has 72 divisors (see below), whose sum is σ = 55608163072. Its totient is φ = 5076792000.

The previous prime is 19128690293. The next prime is 19128690313. The reversal of 19128690300 is 309682191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87796 + ... + 214395.

Almost surely, 219128690300 is an apocalyptic number.

19128690300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19128690300 is an abundant number, since it is smaller than the sum of its proper divisors (36479472772).

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

19128690300 is a wasteful number, since it uses less digits than its factorization.

19128690300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302419 (or 302412 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 19128690300 in words is "nineteen billion, one hundred twenty-eight million, six hundred ninety thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 211 300 422 633 844 1055 1266 2110 2532 3165 4220 5275 6330 10550 12660 15825 21100 31650 63300 302191 604382 906573 1208764 1510955 1813146 3021910 3626292 4532865 6043820 7554775 9065730 15109550 18131460 22664325 30219100 45328650 63762301 90657300 127524602 191286903 255049204 318811505 382573806 637623010 765147612 956434515 1275246020 1594057525 1912869030 3188115050 3825738060 4782172575 6376230100 9564345150 19128690300