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19026834371 = 412516832707
BaseRepresentation
bin10001101110000101…
…100111001111000011
31211010000100022222022
4101232011213033003
5302431332144441
612424003032055
71242334265216
oct215605471703
954100308868
1019026834371
118084174306
12383006b62b
131a42ba489c
14cc6d6177d
157655da84b
hex46e1673c3

19026834371 has 16 divisors (see below), whose sum is σ = 19604446848. Its totient is φ = 18454920000.

The previous prime is 19026834353. The next prime is 19026834383. The reversal of 19026834371 is 17343862091.

It is a de Polignac number, because none of the positive numbers 2k-19026834371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19026834331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7027400 + ... + 7030106.

It is an arithmetic number, because the mean of its divisors is an integer number (1225277928).

Almost surely, 219026834371 is an apocalyptic number.

19026834371 is a deficient number, since it is larger than the sum of its proper divisors (577612477).

19026834371 is a wasteful number, since it uses less digits than its factorization.

19026834371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 19026834371 in words is "nineteen billion, twenty-six million, eight hundred thirty-four thousand, three hundred seventy-one".

Divisors: 1 41 251 683 2707 10291 28003 110987 171433 679457 1848881 7028753 27857737 75804121 464069131 19026834371