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2820318968 = 231697207743
BaseRepresentation
bin1010100000011010…
…1010011011111000
321021112221001022002
42220012222123320
521234000201333
61143505120132
7126614213165
oct25006523370
97245831262
102820318968
111217aa6425
12668629048
1335c3c28bc
141ca7d306c
151179000e8
hexa81aa6f8

2820318968 has 16 divisors (see below), whose sum is σ = 5291239680. Its totient is φ = 1409321728.

The previous prime is 2820318967. The next prime is 2820318973. The reversal of 2820318968 is 8698130282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820318967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90296 + ... + 117447.

It is an arithmetic number, because the mean of its divisors is an integer number (330702480).

Almost surely, 22820318968 is an apocalyptic number.

It is an amenable number.

2820318968 is a deficient number, since it is larger than the sum of its proper divisors (2470920712).

2820318968 is a wasteful number, since it uses less digits than its factorization.

2820318968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209446 (or 209442 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 2820318968 is about 53106.6753619543. The cubic root of 2820318968 is about 1412.8609095561.

The spelling of 2820318968 in words is "two billion, eight hundred twenty million, three hundred eighteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 1697 3394 6788 13576 207743 415486 830972 1661944 352539871 705079742 1410159484 2820318968