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29057698907 = 58129499883
BaseRepresentation
bin11011000011111110…
…010100110001011011
32210000002012001021122
4123003332110301123
5434002232331112
621203211155455
72046035236226
oct330376246133
983002161248
1029057698907
111136134a2a6
12576b445b8b
1329810aa6a3
14159923a5bd
15b51043872
hex6c3f94c5b

29057698907 has 4 divisors (see below), whose sum is σ = 29058256920. Its totient is φ = 29057140896.

The previous prime is 29057698903. The next prime is 29057698909. The reversal of 29057698907 is 70989675092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29057698907 - 22 = 29057698903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29057698907.

It is not an unprimeable number, because it can be changed into a prime (29057698903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191813 + ... + 308070.

It is an arithmetic number, because the mean of its divisors is an integer number (7264564230).

Almost surely, 229057698907 is an apocalyptic number.

29057698907 is a deficient number, since it is larger than the sum of its proper divisors (558013).

29057698907 is an equidigital number, since it uses as much as digits as its factorization.

29057698907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558012.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 29057698907 in words is "twenty-nine billion, fifty-seven million, six hundred ninety-eight thousand, nine hundred seven".

Divisors: 1 58129 499883 29057698907