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8018980054 = 288117092663
BaseRepresentation
bin1110111011111011…
…11110110011010110
3202200212010101122021
413131331332303112
5112410324330204
63403414323354
7402501130411
oct73575766326
922625111567
108018980054
113445561448
12167965955a
139aa45a217
14561008b78
1531dee9154
hex1ddf7ecd6

8018980054 has 16 divisors (see below), whose sum is σ = 12053694240. Its totient is φ = 4001092480.

The previous prime is 8018980043. The next prime is 8018980091. The reversal of 8018980054 is 4500898108.

8018980054 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×80189800542 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3009927 + ... + 3012589.

It is an arithmetic number, because the mean of its divisors is an integer number (753355890).

Almost surely, 28018980054 is an apocalyptic number.

8018980054 is a deficient number, since it is larger than the sum of its proper divisors (4034714186).

8018980054 is a wasteful number, since it uses less digits than its factorization.

8018980054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 8018980054 is about 89548.7579701695. The cubic root of 8018980054 is about 2001.5804219709.

The spelling of 8018980054 in words is "eight billion, eighteen million, nine hundred eighty thousand, fifty-four".

Divisors: 1 2 881 1709 1762 2663 3418 5326 1505629 2346103 3011258 4551067 4692206 9102134 4009490027 8018980054