Search a number
-
+
19076296987 = 112157655347
BaseRepresentation
bin10001110001000010…
…010011000100011011
31211020110102021221001
4101301002103010123
5303032013000422
612432531125431
71243504564126
oct216102230433
954213367831
1019076296987
1180aa088300
123844743877
131a502024c7
14ccd7593bd
15769b0b227
hex47109311b

19076296987 has 6 divisors (see below), whose sum is σ = 20968161284. Its totient is φ = 17342088060.

The previous prime is 19076296979. The next prime is 19076297029. The reversal of 19076296987 is 78969267091.

It is not a de Polignac number, because 19076296987 - 23 = 19076296979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19076296487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78827553 + ... + 78827794.

Almost surely, 219076296987 is an apocalyptic number.

19076296987 is a deficient number, since it is larger than the sum of its proper divisors (1891864297).

19076296987 is a wasteful number, since it uses less digits than its factorization.

19076296987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157655369 (or 157655358 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 19076296987 in words is "nineteen billion, seventy-six million, two hundred ninety-six thousand, nine hundred eighty-seven".

Divisors: 1 11 121 157655347 1734208817 19076296987