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231440044132 = 221149110712833
BaseRepresentation
bin1101011110001011100…
…1101101000001100100
3211010101110021102001101
43113202321231001210
512242442122403012
6254153323205444
722502204626153
oct3274271550144
9733343242041
10231440044132
118a175964750
1238a30976884
1318a94b4369b
14b2b78a359a
156048702d57
hex35e2e6d064

231440044132 has 24 divisors (see below), whose sum is σ = 442740003552. Its totient is φ = 104985753600.

The previous prime is 231440044111. The next prime is 231440044151.

231440044132 is nontrivially palindromic in base 10.

231440044132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231440044132.

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, 5334813 + ... + 5378020.

It is an arithmetic number, because the mean of its divisors is an integer number (18447500148).

Almost surely, 2231440044132 is an apocalyptic number.

231440044132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231440044132 is a deficient number, since it is larger than the sum of its proper divisors (211299959420).

231440044132 is a wasteful number, since it uses less digits than its factorization.

231440044132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10713339 (or 10713337 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 2314400 and 44132, that added together give a palindrome (2358532).

The spelling of 231440044132 in words is "two hundred thirty-one billion, four hundred forty million, forty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 491 982 1964 5401 10802 21604 10712833 21425666 42851332 117841163 235682326 471364652 5260001003 10520002006 21040004012 57860011033 115720022066 231440044132