Search a number
-
+
80899399611 = 3250857176747
BaseRepresentation
bin100101101010111111…
…0101101111110111011
321201211000111022022200
41023111332231332323
52311140221241421
6101055322521243
75562522356622
oct1132576557673
9251730438280
1080899399611
1131344669348
1213819066223
13782357b134
143cb63ba6b9
15218742c726
hex12d5fadfbb

80899399611 has 12 divisors (see below), whose sum is σ = 116857647192. Its totient is φ = 53931567456.

The previous prime is 80899399547. The next prime is 80899399627. The reversal of 80899399611 is 11699399808.

80899399611 is a `hidden beast` number, since 8 + 0 + 8 + 9 + 9 + 3 + 9 + 9 + 611 = 666.

It is not a de Polignac number, because 80899399611 - 26 = 80899399547 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80899399631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369340 + ... + 546086.

It is an arithmetic number, because the mean of its divisors is an integer number (9738137266).

Almost surely, 280899399611 is an apocalyptic number.

80899399611 is a deficient number, since it is larger than the sum of its proper divisors (35958247581).

80899399611 is a wasteful number, since it uses less digits than its factorization.

80899399611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227610 (or 227607 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The spelling of 80899399611 in words is "eighty billion, eight hundred ninety-nine million, three hundred ninety-nine thousand, six hundred eleven".

Divisors: 1 3 9 50857 152571 176747 457713 530241 1590723 8988822179 26966466537 80899399611