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10120131233 = 79128102927
BaseRepresentation
bin10010110110011010…
…01111001010100001
3222010021210221012022
421123031033022201
5131211223144413
64352113311225
7505533460532
oct113315171241
928107727168
1010120131233
114323606423
121b65265515
13c5385c044
146c00b4689
153e36dc608
hex25b34f2a1

10120131233 has 4 divisors (see below), whose sum is σ = 10248234240. Its totient is φ = 9992028228.

The previous prime is 10120131193. The next prime is 10120131299. The reversal of 10120131233 is 33213102101.

10120131233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33213102101 = 41810075661.

It is a cyclic number.

It is not a de Polignac number, because 10120131233 - 212 = 10120127137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10120131533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64051385 + ... + 64051542.

It is an arithmetic number, because the mean of its divisors is an integer number (2562058560).

Almost surely, 210120131233 is an apocalyptic number.

It is an amenable number.

10120131233 is a deficient number, since it is larger than the sum of its proper divisors (128103007).

10120131233 is an equidigital number, since it uses as much as digits as its factorization.

10120131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128103006.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10120131233 its reverse (33213102101), we get a palindrome (43333233334).

The spelling of 10120131233 in words is "ten billion, one hundred twenty million, one hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 79 128102927 10120131233