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10023431543 = 49192037697
BaseRepresentation
bin10010101010111000…
…10110110101110111
3221212112212002011022
421111130112311313
5131011444302133
64334340531355
7503250522326
oct112534266567
927775762138
1010023431543
114283a69524
121b389b0b5b
13c398027a8
146b13020bd
153d9e8a998
hex255716d77

10023431543 has 4 divisors (see below), whose sum is σ = 10025474160. Its totient is φ = 10021388928.

The previous prime is 10023431377. The next prime is 10023431563. The reversal of 10023431543 is 34513432001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34513432001 = 325110616251.

It is a cyclic number.

It is not a de Polignac number, because 10023431543 - 28 = 10023431287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023431563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013930 + ... + 1023767.

It is an arithmetic number, because the mean of its divisors is an integer number (2506368540).

Almost surely, 210023431543 is an apocalyptic number.

10023431543 is a deficient number, since it is larger than the sum of its proper divisors (2042617).

10023431543 is an equidigital number, since it uses as much as digits as its factorization.

10023431543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042616.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 10023431543 its reverse (34513432001), we get a palindrome (44536863544).

The spelling of 10023431543 in words is "ten billion, twenty-three million, four hundred thirty-one thousand, five hundred forty-three".

Divisors: 1 4919 2037697 10023431543