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23111120010 = 23511197355501
BaseRepresentation
bin10101100001100001…
…111011010010001010
32012122122122112120210
4111201201323102022
5334312421320020
614341143301550
71445500164426
oct254141732212
965578575523
1023111120010
11988a696590
12458ba4a8b6
1322440c7254
141193575b86
15903e5e3e0
hex56187b48a

23111120010 has 64 divisors (see below), whose sum is σ = 60816438144. Its totient is φ = 5574240000.

The previous prime is 23111119991. The next prime is 23111120023. The reversal of 23111120010 is 1002111132.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112741 + ... + 242760.

It is an arithmetic number, because the mean of its divisors is an integer number (950256846).

Almost surely, 223111120010 is an apocalyptic number.

23111120010 is an abundant number, since it is smaller than the sum of its proper divisors (37705318134).

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

23111120010 is a wasteful number, since it uses less digits than its factorization.

23111120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355719.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 23111120010 its reverse (1002111132), we get a palindrome (24113231142).

The spelling of 23111120010 in words is "twenty-three billion, one hundred eleven million, one hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 197 330 394 591 985 1182 1970 2167 2955 4334 5910 6501 10835 13002 21670 32505 65010 355501 711002 1066503 1777505 2133006 3555010 3910511 5332515 7821022 10665030 11731533 19552555 23463066 39105110 58657665 70033697 117315330 140067394 210101091 350168485 420202182 700336970 770370667 1050505455 1540741334 2101010910 2311112001 3851853335 4622224002 7703706670 11555560005 23111120010