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2685642292 = 22971691463
BaseRepresentation
bin1010000000010011…
…1010011000110100
320221011111202122001
42200010322120310
521000011023132
61122254345044
7123360403624
oct24004723064
96834452561
102685642292
111158a7a893
1262b4bb184
1333a52a568
141b6976884
1510ab9ace7
hexa013a634

2685642292 has 12 divisors (see below), whose sum is σ = 4704721056. Its totient is φ = 1341436280.

The previous prime is 2685642287. The next prime is 2685642293. The reversal of 2685642292 is 2922465862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685642293) 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, 341848 + ... + 349615.

It is an arithmetic number, because the mean of its divisors is an integer number (392060088).

Almost surely, 22685642292 is an apocalyptic number.

It is an amenable number.

2685642292 is a deficient number, since it is larger than the sum of its proper divisors (2019078764).

2685642292 is a wasteful number, since it uses less digits than its factorization.

2685642292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692438 (or 692436 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 2685642292 is about 51823.1829589808. The cubic root of 2685642292 is about 1390.0040184139.

The spelling of 2685642292 in words is "two billion, six hundred eighty-five million, six hundred forty-two thousand, two hundred ninety-two".

Divisors: 1 2 4 971 1942 3884 691463 1382926 2765852 671410573 1342821146 2685642292