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2764238399 = 131971079359
BaseRepresentation
bin1010010011000010…
…1110111000111111
321010122101212012222
42210300232320333
521130121112044
61134143115555
7125333432036
oct24460567077
97118355188
102764238399
11119938224a
126518a2bbb
133508b8930
141c319571d
15112a238ee
hexa4c2ee3f

2764238399 has 8 divisors (see below), whose sum is σ = 2991985920. Its totient is φ = 2538650016.

The previous prime is 2764238387. The next prime is 2764238413. The reversal of 2764238399 is 9938324672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2764238399 - 220 = 2763189823 is a prime.

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 2764238399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2764238329) 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, 537119 + ... + 542240.

It is an arithmetic number, because the mean of its divisors is an integer number (373998240).

Almost surely, 22764238399 is an apocalyptic number.

2764238399 is a deficient number, since it is larger than the sum of its proper divisors (227747521).

2764238399 is a wasteful number, since it uses less digits than its factorization.

2764238399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079569.

The product of its digits is 3919104, while the sum is 53.

The square root of 2764238399 is about 52576.0249448358. The cubic root of 2764238399 is about 1403.4334771614.

The spelling of 2764238399 in words is "two billion, seven hundred sixty-four million, two hundred thirty-eight thousand, three hundred ninety-nine".

Divisors: 1 13 197 2561 1079359 14031667 212633723 2764238399