Search a number
-
+
10404143431 = 11945831221
BaseRepresentation
bin10011011000010001…
…01010000101000111
3222212002020020200121
421230020222011013
5132301430042211
64440220522411
7515552521453
oct115410520507
928762206617
1010404143431
11445995aa50
1220243b0407
13c9a64c9b6
14709ac5663
1540d5de271
hex26c22a147

10404143431 has 4 divisors (see below), whose sum is σ = 11349974664. Its totient is φ = 9458312200.

The previous prime is 10404143419. The next prime is 10404143537. The reversal of 10404143431 is 13434140401.

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 10404143431 - 231 = 8256659783 is a prime.

It is a super-2 number, since 2×104041434312 (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 = 10404143396 and 10404143405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404143411) 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, 472915600 + ... + 472915621.

It is an arithmetic number, because the mean of its divisors is an integer number (2837493666).

Almost surely, 210404143431 is an apocalyptic number.

10404143431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10404143431 is a deficient number, since it is larger than the sum of its proper divisors (945831233).

10404143431 is an equidigital number, since it uses as much as digits as its factorization.

10404143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945831232.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 10404143431 its reverse (13434140401), we get a palindrome (23838283832).

The spelling of 10404143431 in words is "ten billion, four hundred four million, one hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 11 945831221 10404143431