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2688793893 = 3399584959
BaseRepresentation
bin1010000001000011…
…1011110100100101
320221101102212211000
42200100323310211
521001312401033
61122450103513
7123426241152
oct24020736445
96841385730
102688793893
11115a832715
1263057ab99
1333b091c06
141b7157229
1510b0bea13
hexa043bd25

2688793893 has 8 divisors (see below), whose sum is σ = 3983398400. Its totient is φ = 1792529244.

The previous prime is 2688793879. The next prime is 2688793901. The reversal of 2688793893 is 3983978862.

It is not a de Polignac number, because 2688793893 - 28 = 2688793637 is a prime.

It is a super-2 number, since 2×26887938932 = 14459225198068190898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2688793893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688792893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49792453 + ... + 49792506.

It is an arithmetic number, because the mean of its divisors is an integer number (497924800).

Almost surely, 22688793893 is an apocalyptic number.

It is an amenable number.

2688793893 is a deficient number, since it is larger than the sum of its proper divisors (1294604507).

2688793893 is an equidigital number, since it uses as much as digits as its factorization.

2688793893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99584968 (or 99584962 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 2688793893 is about 51853.5812938701. The cubic root of 2688793893 is about 1390.5475290650.

The spelling of 2688793893 in words is "two billion, six hundred eighty-eight million, seven hundred ninety-three thousand, eight hundred ninety-three".

Divisors: 1 3 9 27 99584959 298754877 896264631 2688793893