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1913796672 = 2639967691
BaseRepresentation
bin111001000010010…
…0011100001000000
311221101010221111020
41302010203201000
512404412443142
6513523145440
765266001064
oct16204434100
94841127436
101913796672
118a2319847
12454b15280
13246654588
14142259aa4
15b3035cec
hex72123840

1913796672 has 28 divisors (see below), whose sum is σ = 5063587536. Its totient is φ = 637932160.

The previous prime is 1913796631. The next prime is 1913796683. The reversal of 1913796672 is 2766973191.

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, 4983654 + ... + 4984037.

It is an arithmetic number, because the mean of its divisors is an integer number (180842412).

Almost surely, 21913796672 is an apocalyptic number.

1913796672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1913796672 is an abundant number, since it is smaller than the sum of its proper divisors (3149790864).

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

1913796672 is an equidigital number, since it uses as much as digits as its factorization.

1913796672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967706 (or 9967696 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The square root of 1913796672 is about 43746.9618602252. The cubic root of 1913796672 is about 1241.5530038762.

The spelling of 1913796672 in words is "one billion, nine hundred thirteen million, seven hundred ninety-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 9967691 19935382 29903073 39870764 59806146 79741528 119612292 159483056 239224584 318966112 478449168 637932224 956898336 1913796672