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2630668807 = 131973145897
BaseRepresentation
bin1001110011001100…
…1101001000000111
320210100001211012001
42130303031020013
520341422400212
61113012210131
7122122213234
oct23463151007
96710054161
102630668807
11112aa42458
12615009947
1332c020480
141ad54678b
15105e3c657
hex9cccd207

2630668807 has 16 divisors (see below), whose sum is σ = 3023006560. Its totient is φ = 2268974592.

The previous prime is 2630668787. The next prime is 2630668841. The reversal of 2630668807 is 7088660362.

It is a cyclic number.

It is not a de Polignac number, because 2630668807 - 27 = 2630668679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630668847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54918 + ... + 90979.

It is an arithmetic number, because the mean of its divisors is an integer number (188937910).

Almost surely, 22630668807 is an apocalyptic number.

2630668807 is a deficient number, since it is larger than the sum of its proper divisors (392337753).

2630668807 is a wasteful number, since it uses less digits than its factorization.

2630668807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146002.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 2630668807 is about 51290.0458861171. The cubic root of 2630668807 is about 1380.4543779606.

The spelling of 2630668807 in words is "two billion, six hundred thirty million, six hundred sixty-eight thousand, eight hundred seven".

Divisors: 1 13 19 73 247 949 1387 18031 145897 1896661 2772043 10650481 36036559 138456253 202359139 2630668807