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7140591942 = 2311108190787
BaseRepresentation
bin1101010011001110…
…01100100101000110
3200102122021122200020
412221213030211012
5104110442420232
63140315400010
7341644013211
oct65147144506
920378248606
107140591942
113034750460
121473453006
1389a48c843
144ba4b6778
152bbd3ae2c
hex1a99cc946

7140591942 has 16 divisors (see below), whose sum is σ = 15579473472. Its totient is φ = 2163815720.

The previous prime is 7140591919. The next prime is 7140591943. The reversal of 7140591942 is 2491950417.

It is a junction number, because it is equal to n+sod(n) for n = 7140591894 and 7140591903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140591943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54095328 + ... + 54095459.

It is an arithmetic number, because the mean of its divisors is an integer number (973717092).

Almost surely, 27140591942 is an apocalyptic number.

7140591942 is an abundant number, since it is smaller than the sum of its proper divisors (8438881530).

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

7140591942 is a wasteful number, since it uses less digits than its factorization.

7140591942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108190803.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 7140591942 is about 84502.0233012204. The cubic root of 7140591942 is about 1925.6531829160.

The spelling of 7140591942 in words is "seven billion, one hundred forty million, five hundred ninety-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 108190787 216381574 324572361 649144722 1190098657 2380197314 3570295971 7140591942