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19680088332 = 2238918427049
BaseRepresentation
bin10010010101000001…
…100101000100001100
31212210112120001221110
4102111001211010030
5310301100311312
613012500332020
71264455663552
oct222501450414
955715501843
1019680088332
118389995713
1239929a4010
131b183279a8
14d49a0bbd2
157a2b2743c
hex49506510c

19680088332 has 24 divisors (see below), whose sum is σ = 46436166000. Its totient is φ = 6486320896.

The previous prime is 19680088331. The next prime is 19680088343. The reversal of 19680088332 is 23388008691.

It is not an unprimeable number, because it can be changed into a prime (19680088331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9212457 + ... + 9214592.

It is an arithmetic number, because the mean of its divisors is an integer number (1934840250).

Almost surely, 219680088332 is an apocalyptic number.

19680088332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19680088332 is an abundant number, since it is smaller than the sum of its proper divisors (26756077668).

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

19680088332 is a wasteful number, since it uses less digits than its factorization.

19680088332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18427145 (or 18427143 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 19680088332 in words is "nineteen billion, six hundred eighty million, eighty-eight thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 18427049 36854098 55281147 73708196 110562294 221124588 1640007361 3280014722 4920022083 6560029444 9840044166 19680088332