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10140032431 = 26093886559
BaseRepresentation
bin10010111000110010…
…01001110110101111
3222011200021000111201
421130121021312233
5131231322014211
64354104030331
7506164565524
oct113431116657
928150230451
1010140032431
1143338694a1
121b6ba623a7
13c57a094b9
146c29b514b
153e531e0c1
hex25c649daf

10140032431 has 4 divisors (see below), whose sum is σ = 10143921600. Its totient is φ = 10136143264.

The previous prime is 10140032363. The next prime is 10140032453. The reversal of 10140032431 is 13423004101.

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 10140032431 - 27 = 10140032303 is a prime.

It is a super-2 number, since 2×101400324312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10140032399 and 10140032408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140039431) 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, 1940671 + ... + 1945888.

It is an arithmetic number, because the mean of its divisors is an integer number (2535980400).

Almost surely, 210140032431 is an apocalyptic number.

10140032431 is a deficient number, since it is larger than the sum of its proper divisors (3889169).

10140032431 is an equidigital number, since it uses as much as digits as its factorization.

10140032431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889168.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10140032431 its reverse (13423004101), we get a palindrome (23563036532).

The spelling of 10140032431 in words is "ten billion, one hundred forty million, thirty-two thousand, four hundred thirty-one".

Divisors: 1 2609 3886559 10140032431