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2942639283 = 3313192
BaseRepresentation
bin1010111101100101…
…0001110010110011
321121002002120020010
42233121101302303
522011303424113
61203554550003
7132631010163
oct25731216263
97532076203
102942639283
1112800524a1
126a1598303
1337b84c99c
141dcb545a3
151235131c3
hexaf651cb3

2942639283 has 6 divisors (see below), whose sum is σ = 3923644324. Its totient is φ = 1961696884.

The previous prime is 2942639281. The next prime is 2942639311. The reversal of 2942639283 is 3829362492.

It is not a de Polignac number, because 2942639283 - 21 = 2942639281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942639281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78298 + ... + 109616.

Almost surely, 22942639283 is an apocalyptic number.

2942639283 is a deficient number, since it is larger than the sum of its proper divisors (981005041).

2942639283 is an frugal number, since it uses more digits than its factorization.

2942639283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62641 (or 31322 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 2942639283 is about 54246.0992422497. The cubic root of 2942639283 is about 1432.9983030487.

Multiplying 2942639283 by its sum of digits (48), we get a square (141246685584 = 3758282).

The spelling of 2942639283 in words is "two billion, nine hundred forty-two million, six hundred thirty-nine thousand, two hundred eighty-three".

Divisors: 1 3 31319 93957 980879761 2942639283