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231444241035012 = 223219338368773443
BaseRepresentation
bin110100100111111101001111…
…110001011010111100000100
31010100110212001002122001100200
4310213331033301122330010
5220313440301201110022
62140124003322210500
766515203023164325
oct6447751761327404
91110425032561320
10231444241035012
1167821a51364045
1221b5b540053a30
139c1b137bccc05
144121d6512244c
151bb55e0e97bac
hexd27f4fc5af04

231444241035012 has 36 divisors (see below), whose sum is σ = 615831167668080. Its totient is φ = 73087655063472.

The previous prime is 231444241034989. The next prime is 231444241035047. The reversal of 231444241035012 is 210530142444132.

231444241035012 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 4 + 42 + 4 + 103 + 501 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169184386038 + ... + 169184387405.

Almost surely, 2231444241035012 is an apocalyptic number.

It is an amenable number.

231444241035012 is an abundant number, since it is smaller than the sum of its proper divisors (384386926633068).

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

231444241035012 is a wasteful number, since it uses less digits than its factorization.

231444241035012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338368773472 (or 338368773467 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 231444241035012 its reverse (210530142444132), we get a palindrome (441974383479144).

The spelling of 231444241035012 in words is "two hundred thirty-one trillion, four hundred forty-four billion, two hundred forty-one million, thirty-five thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 338368773443 676737546886 1015106320329 1353475093772 2030212640658 3045318960987 4060425281316 6090637921974 6429006695417 12181275843948 12858013390834 19287020086251 25716026781668 38574040172502 57861060258753 77148080345004 115722120517506 231444241035012