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6800000481 = 326531157053
BaseRepresentation
bin1100101010100111…
…11100010111100001
3122112220101211000200
412111103330113201
5102411300003411
63042431335413
7330340023201
oct62523742741
918486354020
106800000481
11297a47200a
121399381569
13844a4bc31
14487178401
1529beaee56
hex1954fc5e1

6800000481 has 12 divisors (see below), whose sum is σ = 9837273108. Its totient is φ = 4526387424.

The previous prime is 6800000477. The next prime is 6800000503. The reversal of 6800000481 is 1840000086.

6800000481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3405772881 + 3394227600 = 58359^2 + 58260^2 .

It is not a de Polignac number, because 6800000481 - 22 = 6800000477 is a prime.

It is a super-2 number, since 2×68000004812 = 92480013083200462722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6800000461) 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, 572650 + ... + 584403.

It is an arithmetic number, because the mean of its divisors is an integer number (819772759).

Almost surely, 26800000481 is an apocalyptic number.

It is an amenable number.

6800000481 is a deficient number, since it is larger than the sum of its proper divisors (3037272627).

6800000481 is a wasteful number, since it uses less digits than its factorization.

6800000481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157712 (or 1157709 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 6800000481 is about 82462.1154288441. The cubic root of 6800000481 is about 1894.5365190420.

The spelling of 6800000481 in words is "six billion, eight hundred million, four hundred eighty-one", and thus it is an aban number.

Divisors: 1 3 9 653 1959 5877 1157053 3471159 10413477 755555609 2266666827 6800000481