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10120234031 = 26213861211
BaseRepresentation
bin10010110110011011…
…01000010000101111
3222010022000011012122
421123031220100233
5131211234442111
64352115423155
7505534366325
oct113315502057
928108004178
1010120234031
114323676686
121b652b4abb
13c53896a7b
146c00ddd15
153e370ccdb
hex25b36842f

10120234031 has 4 divisors (see below), whose sum is σ = 10124097864. Its totient is φ = 10116370200.

The previous prime is 10120234013. The next prime is 10120234093. The reversal of 10120234031 is 13043202101.

10120234031 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.

It is a cyclic number.

It is not a de Polignac number, because 10120234031 - 218 = 10119971887 is a prime.

It is a super-2 number, since 2×101202340312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120234231) 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, 1927985 + ... + 1933226.

It is an arithmetic number, because the mean of its divisors is an integer number (2531024466).

Almost surely, 210120234031 is an apocalyptic number.

10120234031 is a deficient number, since it is larger than the sum of its proper divisors (3863833).

10120234031 is an equidigital number, since it uses as much as digits as its factorization.

10120234031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863832.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10120234031 its reverse (13043202101), we get a palindrome (23163436132).

The spelling of 10120234031 in words is "ten billion, one hundred twenty million, two hundred thirty-four thousand, thirty-one".

Divisors: 1 2621 3861211 10120234031