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231400204400011 = 3142631117509571
BaseRepresentation
bin110100100111010100001110…
…111110111111010110001011
31010100022122101002221012122011
4310213110032332333112023
5220312230104311300021
62140051441504240351
766512053532025343
oct6447241676772613
91110278332835564
10231400204400011
116780530387a419
1221b52ab03100b7
139c16c3a76cc3a
14411db887c5d23
151bb43b4e00de1
hexd2750efbf58b

231400204400011 has 8 divisors (see below), whose sum is σ = 238865301070848. Its totient is φ = 223935143601000.

The previous prime is 231400204399999. The next prime is 231400204400033. The reversal of 231400204400011 is 110004402004132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231400204400011 - 29 = 231400204399499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231400204400711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4460856 + ... + 21970426.

It is an arithmetic number, because the mean of its divisors is an integer number (29858162633856).

Almost surely, 2231400204400011 is an apocalyptic number.

231400204400011 is a deficient number, since it is larger than the sum of its proper divisors (7465096670837).

231400204400011 is a wasteful number, since it uses less digits than its factorization.

231400204400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17935913.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 231400204400011 its reverse (110004402004132), we get a palindrome (341404606404143).

The spelling of 231400204400011 in words is "two hundred thirty-one trillion, four hundred billion, two hundred four million, four hundred thousand, eleven".

Divisors: 1 31 426311 13215641 17509571 542796701 7464522722581 231400204400011