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7965980142 = 236734956779
BaseRepresentation
bin1110110101100111…
…10011010111101110
3202120011101201102120
413122303303113232
5112303242331032
63354242333410
7401255466621
oct73263632756
922504351376
107965980142
11341865186a
12166395a266
1399c491523
14557d6ddb8
1531952a62c
hex1dacf35ee

7965980142 has 32 divisors (see below), whose sum is σ = 16216368000. Its totient is φ = 2608154208.

The previous prime is 7965980137. The next prime is 7965980177. The reversal of 7965980142 is 2410895697.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111909 + ... + 168687.

It is an arithmetic number, because the mean of its divisors is an integer number (506761500).

Almost surely, 27965980142 is an apocalyptic number.

7965980142 is an abundant number, since it is smaller than the sum of its proper divisors (8250387858).

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

7965980142 is a wasteful number, since it uses less digits than its factorization.

7965980142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57200.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 7965980142 is about 89252.3397004247. The cubic root of 7965980142 is about 1997.1609837335.

The spelling of 7965980142 in words is "seven billion, nine hundred sixty-five million, nine hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 3 6 67 134 201 349 402 698 1047 2094 23383 46766 56779 70149 113558 140298 170337 340674 3804193 7608386 11412579 19815871 22825158 39631742 59447613 118895226 1327663357 2655326714 3982990071 7965980142