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10043130421 = 17358052777
BaseRepresentation
bin10010101101001111…
…00000001000110101
3221220220220212221101
421112213200020311
5131032020133141
64340323050101
7503610125422
oct112647401065
927826825841
1010043130421
1142940a3595
121b43510931
13c4090bb2c
146b3b8cd49
153dba7c531
hex2569e0235

10043130421 has 4 divisors (see below), whose sum is σ = 10101183372. Its totient is φ = 9985077472.

The previous prime is 10043130401. The next prime is 10043130467. The reversal of 10043130421 is 12403134001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12403134001 = 67185121403.

It can be written as a sum of positive squares in 2 ways, for example, as 9353017521 + 690112900 = 96711^2 + 26270^2 .

It is a cyclic number.

It is not a de Polignac number, because 10043130421 - 223 = 10034741813 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 (10043130401) 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, 29026216 + ... + 29026561.

It is an arithmetic number, because the mean of its divisors is an integer number (2525295843).

Almost surely, 210043130421 is an apocalyptic number.

It is an amenable number.

10043130421 is a deficient number, since it is larger than the sum of its proper divisors (58052951).

10043130421 is an equidigital number, since it uses as much as digits as its factorization.

10043130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58052950.

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

Adding to 10043130421 its reverse (12403134001), we get a palindrome (22446264422).

The spelling of 10043130421 in words is "ten billion, forty-three million, one hundred thirty thousand, four hundred twenty-one".

Divisors: 1 173 58052777 10043130421