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19086314933 = 72726616419
BaseRepresentation
bin10001110001101000…
…100000110110110101
31211021011021020222002
4101301220200312311
5303042044034213
612433525545045
71243656000020
oct216150406665
954234236862
1019086314933
1181047aa9a4
123847b75185
131a522cc29a
14cd0c061b7
1576a939658
hex471a20db5

19086314933 has 4 divisors (see below), whose sum is σ = 21812931360. Its totient is φ = 16359698508.

The previous prime is 19086314921. The next prime is 19086314941. The reversal of 19086314933 is 33941368091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19086314933 - 26 = 19086314869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19086314983) 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, 1363308203 + ... + 1363308216.

It is an arithmetic number, because the mean of its divisors is an integer number (5453232840).

Almost surely, 219086314933 is an apocalyptic number.

It is an amenable number.

19086314933 is a deficient number, since it is larger than the sum of its proper divisors (2726616427).

19086314933 is an equidigital number, since it uses as much as digits as its factorization.

19086314933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726616426.

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 19086314933 in words is "nineteen billion, eighty-six million, three hundred fourteen thousand, nine hundred thirty-three".

Divisors: 1 7 2726616419 19086314933