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2790078868 = 221163599759
BaseRepresentation
bin1010011001001101…
…0011100110010100
321012110000200200101
42212103103212110
521203230010433
61140505023444
7126066164503
oct24623234624
97173020611
102790078868
111201a21605
1265a484b84
13356065555
141c67a083a
15114e2a07d
hexa64d3994

2790078868 has 12 divisors (see below), whose sum is σ = 4886844480. Its totient is φ = 1393837592.

The previous prime is 2790078827. The next prime is 2790078877. The reversal of 2790078868 is 8688700972.

It is a super-2 number, since 2×27900788682 = 15569080179320322848, which 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 3 ways as a sum of consecutive naturals, for example, 295228 + ... + 304531.

It is an arithmetic number, because the mean of its divisors is an integer number (407237040).

Almost surely, 22790078868 is an apocalyptic number.

It is an amenable number.

2790078868 is a deficient number, since it is larger than the sum of its proper divisors (2096765612).

2790078868 is a wasteful number, since it uses less digits than its factorization.

2790078868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600926 (or 600924 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The square root of 2790078868 is about 52821.1971466002. The cubic root of 2790078868 is about 1407.7930815990.

The spelling of 2790078868 in words is "two billion, seven hundred ninety million, seventy-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 1163 2326 4652 599759 1199518 2399036 697519717 1395039434 2790078868