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19082858817 = 3112371420807
BaseRepresentation
bin10001110001011011…
…010101000101000001
31211020220202200001210
4101301123111011001
5303040202440232
612433323520333
71243614423621
oct216133250501
954226680053
1019082858817
11810285a300
1238469890a9
131a5168c149
14cd0586881
1576a4a55cc
hex4716d5141

19082858817 has 24 divisors (see below), whose sum is σ = 28723054528. Its totient is φ = 11252783520.

The previous prime is 19082858813. The next prime is 19082858849. The reversal of 19082858817 is 71885828091.

It is not a de Polignac number, because 19082858817 - 22 = 19082858813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19082858813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696973 + ... + 723834.

Almost surely, 219082858817 is an apocalyptic number.

It is an amenable number.

19082858817 is a deficient number, since it is larger than the sum of its proper divisors (9640195711).

19082858817 is a wasteful number, since it uses less digits than its factorization.

19082858817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420869 (or 1420858 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 57.

The spelling of 19082858817 in words is "nineteen billion, eighty-two million, eight hundred fifty-eight thousand, eight hundred seventeen".

Divisors: 1 3 11 33 37 111 121 363 407 1221 4477 13431 1420807 4262421 15628877 46886631 52569859 157709577 171917647 515752941 578268449 1734805347 6360952939 19082858817