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19196464692 = 2231599705391
BaseRepresentation
bin10001111000001100…
…101100111000110100
31211112211112110000210
4101320030230320310
5303303243332232
612452502505420
71246464154236
oct217014547064
954484473023
1019196464692
1181609a4059
123878a35270
131a6c087862
14d016ba256
157754465cc
hex47832ce34

19196464692 has 12 divisors (see below), whose sum is σ = 44791750976. Its totient is φ = 6398821560.

The previous prime is 19196464687. The next prime is 19196464699. The reversal of 19196464692 is 29646469191.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19196464699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799852684 + ... + 799852707.

Almost surely, 219196464692 is an apocalyptic number.

19196464692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19196464692 is an abundant number, since it is smaller than the sum of its proper divisors (25595286284).

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

19196464692 is a wasteful number, since it uses less digits than its factorization.

19196464692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599705398 (or 1599705396 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 57.

The spelling of 19196464692 in words is "nineteen billion, one hundred ninety-six million, four hundred sixty-four thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 1599705391 3199410782 4799116173 6398821564 9598232346 19196464692