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29140887256 = 2313280200839
BaseRepresentation
bin11011001000111011…
…101010011011011000
32210012212201110020121
4123020323222123120
5434140031343011
621215342203024
72051065311655
oct331073523330
983185643217
1029140887256
11113a42a89a8
125793283474
1329953b6070
1415a62d2c2c
15b584c6e71
hex6c8eea6d8

29140887256 has 16 divisors (see below), whose sum is σ = 58842176400. Its totient is φ = 13449640224.

The previous prime is 29140887253. The next prime is 29140887353. The reversal of 29140887256 is 65278804192.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29140887253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140100316 + ... + 140100523.

It is an arithmetic number, because the mean of its divisors is an integer number (3677636025).

Almost surely, 229140887256 is an apocalyptic number.

29140887256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

29140887256 is an abundant number, since it is smaller than the sum of its proper divisors (29701289144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29140887256 is a wasteful number, since it uses less digits than its factorization.

29140887256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280200858 (or 280200854 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 29140887256 in words is "twenty-nine billion, one hundred forty million, eight hundred eighty-seven thousand, two hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 280200839 560401678 1120803356 2241606712 3642610907 7285221814 14570443628 29140887256