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29057884291 = 197314727767
BaseRepresentation
bin11011000011111111…
…000010000010000011
32210000002112110120201
4123003333002002003
5434002304244131
621203215150031
72046036640552
oct330377020203
983002473521
1029057884291
1111361466607
12576b515317
132981143b97
141599287d99
15b5107d761
hex6c3fc2083

29057884291 has 4 divisors (see below), whose sum is σ = 29072614032. Its totient is φ = 29043154552.

The previous prime is 29057884241. The next prime is 29057884309. The reversal of 29057884291 is 19248875092.

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 29057884291 - 215 = 29057851523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29057884231) 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, 7361911 + ... + 7365856.

It is an arithmetic number, because the mean of its divisors is an integer number (7268153508).

Almost surely, 229057884291 is an apocalyptic number.

29057884291 is a deficient number, since it is larger than the sum of its proper divisors (14729741).

29057884291 is a wasteful number, since it uses less digits than its factorization.

29057884291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14729740.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 29057884291 in words is "twenty-nine billion, fifty-seven million, eight hundred eighty-four thousand, two hundred ninety-one".

Divisors: 1 1973 14727767 29057884291