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231113211044 = 2257778302761
BaseRepresentation
bin1101011100111101101…
…0111011110010100100
3211002112200021120100012
43113033122323302210
512241304440223134
6254101050105352
722461125611052
oct3271732736244
9732480246305
10231113211044
118a018423161
123895b41b258
1318a4220c221
14b2863071d2
156029b936ce
hex35cf6bbca4

231113211044 has 6 divisors (see below), whose sum is σ = 404448119334. Its totient is φ = 115556605520.

The previous prime is 231113210987. The next prime is 231113211053. The reversal of 231113211044 is 440112311132.

It can be written as a sum of positive squares in only one way, i.e., 130299340900 + 100813870144 = 360970^2 + 317512^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28889151377 + ... + 28889151384.

It is an arithmetic number, because the mean of its divisors is an integer number (67408019889).

Almost surely, 2231113211044 is an apocalyptic number.

It is an amenable number.

231113211044 is a deficient number, since it is larger than the sum of its proper divisors (173334908290).

231113211044 is a wasteful number, since it uses less digits than its factorization.

231113211044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57778302765 (or 57778302763 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 231113211044 its reverse (440112311132), we get a palindrome (671225522176).

The spelling of 231113211044 in words is "two hundred thirty-one billion, one hundred thirteen million, two hundred eleven thousand, forty-four".

Divisors: 1 2 4 57778302761 115556605522 231113211044