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2168602902 = 23340159313
BaseRepresentation
bin1000000101000010…
…0100000100010110
312121010121102221000
42001100210010112
513420130243102
6555104404130
7104511551304
oct20120440426
95533542830
102168602902
11a13135504
12506316646
1328738a7ab
14168027274
15ca5b901c
hex81424116

2168602902 has 16 divisors (see below), whose sum is σ = 4819117680. Its totient is φ = 722867616.

The previous prime is 2168602883. The next prime is 2168602927. The reversal of 2168602902 is 2092068612.

It is a happy number.

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, 20079603 + ... + 20079710.

It is an arithmetic number, because the mean of its divisors is an integer number (301194855).

Almost surely, 22168602902 is an apocalyptic number.

2168602902 is an abundant number, since it is smaller than the sum of its proper divisors (2650514778).

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

2168602902 is a wasteful number, since it uses less digits than its factorization.

2168602902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40159324 (or 40159318 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2168602902 is about 46568.2606718353. The cubic root of 2168602902 is about 1294.3746879445.

The spelling of 2168602902 in words is "two billion, one hundred sixty-eight million, six hundred two thousand, nine hundred two".

Divisors: 1 2 3 6 9 18 27 54 40159313 80318626 120477939 240955878 361433817 722867634 1084301451 2168602902