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29613982431 = 311897393407
BaseRepresentation
bin11011100101001000…
…011000001011011111
32211102211221011211010
4123211020120023133
5441122134414211
621334322230303
72065601461125
oct334510301337
984384834733
1029613982431
1111617359350
1258a57b5393
132a3c40ac37
14160d083915
15b84cc84a6
hex6e52182df

29613982431 has 8 divisors (see below), whose sum is σ = 43074883584. Its totient is φ = 17947868120.

The previous prime is 29613982429. The next prime is 29613982457. The reversal of 29613982431 is 13428931692.

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

It is a cyclic number.

It is not a de Polignac number, because 29613982431 - 21 = 29613982429 is a prime.

It is a super-2 number, since 2×296139824312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29613982471) 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, 448696671 + ... + 448696736.

It is an arithmetic number, because the mean of its divisors is an integer number (5384360448).

Almost surely, 229613982431 is an apocalyptic number.

29613982431 is a deficient number, since it is larger than the sum of its proper divisors (13460901153).

29613982431 is a wasteful number, since it uses less digits than its factorization.

29613982431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897393421.

The product of its digits is 559872, while the sum is 48.

The spelling of 29613982431 in words is "twenty-nine billion, six hundred thirteen million, nine hundred eighty-two thousand, four hundred thirty-one".

Divisors: 1 3 11 33 897393407 2692180221 9871327477 29613982431