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29247972693 = 340732393647
BaseRepresentation
bin11011001111010100…
…001010010101010101
32210111100012221211220
4123033110022111111
5434344440111233
621234125320553
72053535444262
oct331724122525
983440187756
1029247972693
1111449799865
125803106159
1329b163a924
1415b660a269
15b62acaeb3
hex6cf50a555

29247972693 has 8 divisors (see below), whose sum is σ = 39006887808. Its totient is φ = 19493853024.

The previous prime is 29247972661. The next prime is 29247972697. The reversal of 29247972693 is 39627974292.

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

It is not a de Polignac number, because 29247972693 - 25 = 29247972661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29247972697) 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, 1184605 + ... + 1209042.

It is an arithmetic number, because the mean of its divisors is an integer number (4875860976).

Almost surely, 229247972693 is an apocalyptic number.

It is an amenable number.

29247972693 is a deficient number, since it is larger than the sum of its proper divisors (9758915115).

29247972693 is a wasteful number, since it uses less digits than its factorization.

29247972693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397723.

The product of its digits is 20575296, while the sum is 60.

The spelling of 29247972693 in words is "twenty-nine billion, two hundred forty-seven million, nine hundred seventy-two thousand, six hundred ninety-three".

Divisors: 1 3 4073 12219 2393647 7180941 9749324231 29247972693