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7107945029 = 61670117389
BaseRepresentation
bin1101001111010101…
…01010001001000101
3200100100212000112022
412213222222021011
5104024113220104
63133151532525
7341066351543
oct64752521105
920310760468
107107945029
113018282339
12146452a145
1389379bb43
144b6018d93
152b903cbbe
hex1a7aaa245

7107945029 has 8 divisors (see below), whose sum is σ = 7225962360. Its totient is φ = 6989976000.

The previous prime is 7107945007. The next prime is 7107945043. The reversal of 7107945029 is 9205497017.

It can be written as a sum of positive squares in 4 ways, for example, as 85840225 + 7022104804 = 9265^2 + 83798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7107945029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7107945529) 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, 400067 + ... + 417455.

It is an arithmetic number, because the mean of its divisors is an integer number (903245295).

Almost surely, 27107945029 is an apocalyptic number.

It is an amenable number.

7107945029 is a deficient number, since it is larger than the sum of its proper divisors (118017331).

7107945029 is a wasteful number, since it uses less digits than its factorization.

7107945029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24151.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 7107945029 is about 84308.6296235445. The cubic root of 7107945029 is about 1922.7139921757.

The spelling of 7107945029 in words is "seven billion, one hundred seven million, nine hundred forty-five thousand, twenty-nine".

Divisors: 1 61 6701 17389 408761 1060729 116523689 7107945029