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289195241930 = 2575970023061
BaseRepresentation
bin1000011010101010110…
…00010011000111001010
31000122110111212110002022
410031111120103013022
514214232440220210
6340504321404442
726615345666060
oct4152530230712
91018414773068
10289195241930
111017131a1681
124806aa99722
132136a4b393a
14ddd6176030
1577c8d39155
hex43556131ca

289195241930 has 32 divisors (see below), whose sum is σ = 604999255680. Its totient is φ = 97472099520.

The previous prime is 289195241911. The next prime is 289195242013. The reversal of 289195241930 is 39142591982.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35007401 + ... + 35015660.

It is an arithmetic number, because the mean of its divisors is an integer number (18906226740).

Almost surely, 2289195241930 is an apocalyptic number.

289195241930 is an abundant number, since it is smaller than the sum of its proper divisors (315804013750).

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

289195241930 is a wasteful number, since it uses less digits than its factorization.

289195241930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70023134.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 289195241930 in words is "two hundred eighty-nine billion, one hundred ninety-five million, two hundred forty-one thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 59 70 118 295 413 590 826 2065 4130 70023061 140046122 350115305 490161427 700230610 980322854 2450807135 4131360599 4901614270 8262721198 20656802995 28919524193 41313605990 57839048386 144597620965 289195241930