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34253643641 = 7103275317257
BaseRepresentation
bin11111111001101011…
…010001111101111001
310021102012021101111012
4133321223101331321
51030122413044031
623422542243305
72321560111160
oct377153217571
9107365241435
1034253643641
111358831a4a8
12677b586535
1332cb7037b9
14192d3463d7
15d572a2b2b
hex7f9ad1f79

34253643641 has 16 divisors (see below), whose sum is σ = 39543738624. Its totient is φ = 29062969344.

The previous prime is 34253643617. The next prime is 34253643673. The reversal of 34253643641 is 14634635243.

It is a cyclic number.

It is not a de Polignac number, because 34253643641 - 26 = 34253643577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34253643691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1976285 + ... + 1993541.

It is an arithmetic number, because the mean of its divisors is an integer number (2471483664).

Almost surely, 234253643641 is an apocalyptic number.

It is an amenable number.

34253643641 is a deficient number, since it is larger than the sum of its proper divisors (5290094983).

34253643641 is a wasteful number, since it uses less digits than its factorization.

34253643641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20120.

The product of its digits is 622080, while the sum is 41.

The spelling of 34253643641 in words is "thirty-four billion, two hundred fifty-three million, six hundred forty-three thousand, six hundred forty-one".

Divisors: 1 7 103 721 2753 17257 19271 120799 283559 1777471 1984913 12442297 47508521 332559647 4893377663 34253643641