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10040225431 = 11718574061
BaseRepresentation
bin10010101100111000…
…11010111010010111
3221220201110022001011
421112130122322113
5131030244203211
64340140513051
7503543336155
oct112634327227
927821408034
1010040225431
114292499a75
121b4254b787
13c401327c2
146b36343d5
153db6a6921
hex25671ae97

10040225431 has 4 divisors (see below), whose sum is σ = 10048800664. Its totient is φ = 10031650200.

The previous prime is 10040225407. The next prime is 10040225497. The reversal of 10040225431 is 13452204001.

10040225431 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 13452204001 = 83162074747.

It is a cyclic number.

It is not a de Polignac number, because 10040225431 - 29 = 10040224919 is a prime.

It is a super-2 number, since 2×100402254312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040225131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285860 + ... + 4288201.

It is an arithmetic number, because the mean of its divisors is an integer number (2512200166).

Almost surely, 210040225431 is an apocalyptic number.

10040225431 is a deficient number, since it is larger than the sum of its proper divisors (8575233).

10040225431 is an equidigital number, since it uses as much as digits as its factorization.

10040225431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575232.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10040225431 its reverse (13452204001), we get a palindrome (23492429432).

The spelling of 10040225431 in words is "ten billion, forty million, two hundred twenty-five thousand, four hundred thirty-one".

Divisors: 1 1171 8574061 10040225431