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10640431043 = 114212297653
BaseRepresentation
bin10011110100011100…
…00001011111000011
31000110112211220100122
421322032001133003
5133242422243133
64515501210455
7524452112564
oct117216013703
930415756318
1010640431043
114570278370
12208b560a2b
1310075a0b58
1472d23216b
15424215498
hex27a3817c3

10640431043 has 8 divisors (see below), whose sum is σ = 11635319856. Its totient is φ = 9650138400.

The previous prime is 10640431027. The next prime is 10640431099. The reversal of 10640431043 is 34013404601.

10640431043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10640431043 - 24 = 10640431027 is a prime.

It is a super-2 number, since 2×106404310432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640437043) 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 7 ways as a sum of consecutive naturals, for example, 1144196 + ... + 1153457.

It is an arithmetic number, because the mean of its divisors is an integer number (1454414982).

Almost surely, 210640431043 is an apocalyptic number.

10640431043 is a deficient number, since it is larger than the sum of its proper divisors (994888813).

10640431043 is a wasteful number, since it uses less digits than its factorization.

10640431043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298085.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 10640431043 its reverse (34013404601), we get a palindrome (44653835644).

The spelling of 10640431043 in words is "ten billion, six hundred forty million, four hundred thirty-one thousand, forty-three".

Divisors: 1 11 421 4631 2297653 25274183 967311913 10640431043