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19202592432 = 243400054009
BaseRepresentation
bin10001111000100100…
…000100111010110000
31211120021001202201010
4101320210010322300
5303311330424212
612453242110520
71246600225332
oct217044047260
954507052633
1019202592432
1181643a9a01
12387aaab440
131a70421a3a
14d02433452
15775c5703c
hex478904eb0

19202592432 has 20 divisors (see below), whose sum is σ = 49606697240. Its totient is φ = 6400864128.

The previous prime is 19202592407. The next prime is 19202592443. The reversal of 19202592432 is 23429520291.

It is a super-2 number, since 2×192025924322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200026957 + ... + 200027052.

It is an arithmetic number, because the mean of its divisors is an integer number (2480334862).

Almost surely, 219202592432 is an apocalyptic number.

19202592432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19202592432 is an abundant number, since it is smaller than the sum of its proper divisors (30404104808).

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

19202592432 is a wasteful number, since it uses less digits than its factorization.

19202592432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400054020 (or 400054014 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 19202592432 in words is "nineteen billion, two hundred two million, five hundred ninety-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 400054009 800108018 1200162027 1600216036 2400324054 3200432072 4800648108 6400864144 9601296216 19202592432