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29597980918 = 2113143398799
BaseRepresentation
bin11011100100001011…
…010101100011110110
32211101201211012212111
4123210023111203312
5441104040342133
621332551241234
72065315454362
oct334413254366
984351735774
1029597980918
111160931a160
1258a037921a
132a38cc779c
14160acba2a2
15b836b71cd
hex6e42d58f6

29597980918 has 16 divisors (see below), whose sum is σ = 49995417600. Its totient is φ = 13019639400.

The previous prime is 29597980897. The next prime is 29597980921. The reversal of 29597980918 is 81908979592.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21698718 + ... + 21700081.

It is an arithmetic number, because the mean of its divisors is an integer number (3124713600).

Almost surely, 229597980918 is an apocalyptic number.

29597980918 is a deficient number, since it is larger than the sum of its proper divisors (20397436682).

29597980918 is a wasteful number, since it uses less digits than its factorization.

29597980918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43398843.

The product of its (nonzero) digits is 29393280, while the sum is 67.

The spelling of 29597980918 in words is "twenty-nine billion, five hundred ninety-seven million, nine hundred eighty thousand, nine hundred eighteen".

Divisors: 1 2 11 22 31 62 341 682 43398799 86797598 477386789 954773578 1345362769 2690725538 14798990459 29597980918