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23212013303311 = 76172103753931
BaseRepresentation
bin1010100011100011101111…
…10011101011011000001111
310001012001021010011111122221
411101301313303223120033
511020301200401201221
6121211241322320211
74614004220434630
oct521616763533017
9101161233144587
1023212013303311
11743a183412558
12272a788359067
13cc4b63c748b1
145a3678917887
152a3be754b541
hex151c77ceb60f

23212013303311 has 16 divisors (see below), whose sum is σ = 26963310412288. Its totient is φ = 19569549909600.

The previous prime is 23212013303299. The next prime is 23212013303341. The reversal of 23212013303311 is 11330331021232.

It is not a de Polignac number, because 23212013303311 - 25 = 23212013303279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212013303341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30411016 + ... + 31164946.

It is an arithmetic number, because the mean of its divisors is an integer number (1685206900768).

Almost surely, 223212013303311 is an apocalyptic number.

23212013303311 is a deficient number, since it is larger than the sum of its proper divisors (3751297108977).

23212013303311 is an equidigital number, since it uses as much as digits as its factorization.

23212013303311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826102.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 23212013303311 its reverse (11330331021232), we get a palindrome (34542344324543).

The spelling of 23212013303311 in words is "twenty-three trillion, two hundred twelve billion, thirteen million, three hundred three thousand, three hundred eleven".

Divisors: 1 7 61 427 72103 504721 753931 4398283 5277517 30787981 45989791 321928537 54360686893 380524808251 3316001900473 23212013303311