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2669608816 = 247109218677
BaseRepresentation
bin1001111100011110…
…1111111101110000
320220001100011211121
42133013233331300
520431404440231
61120522552024
7123104205040
oct23707577560
96801304747
102669608816
11114aa19686
12626068614
133371056b4
141b47a1720
15109580311
hex9f1eff70

2669608816 has 40 divisors (see below), whose sum is σ = 5965535840. Its totient is φ = 1133616384.

The previous prime is 2669608771. The next prime is 2669608847. The reversal of 2669608816 is 6188069662.

It is a super-2 number, since 2×26696088162 = 14253622460929843712, 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 7 ways as a sum of consecutive naturals, for example, 97131 + ... + 121546.

It is an arithmetic number, because the mean of its divisors is an integer number (149138396).

Almost surely, 22669608816 is an apocalyptic number.

It is an amenable number.

2669608816 is an abundant number, since it is smaller than the sum of its proper divisors (3295927024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2669608816 is a wasteful number, since it uses less digits than its factorization.

2669608816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218801 (or 218795 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 2669608816 is about 51668.2573346537. The cubic root of 2669608816 is about 1387.2323543594.

The spelling of 2669608816 in words is "two billion, six hundred sixty-nine million, six hundred eight thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 56 109 112 218 436 763 872 1526 1744 3052 6104 12208 218677 437354 874708 1530739 1749416 3061478 3498832 6122956 12245912 23835793 24491824 47671586 95343172 166850551 190686344 333701102 381372688 667402204 1334804408 2669608816