Search a number
-
+
1124424231421 = 5533920318839
BaseRepresentation
bin10000010111001100111…
…010000010100111111101
310222111100001120021112111
4100113030322002213331
5121410310100401141
62220315305334021
7144144165161221
oct20271472024775
93874301507474
101124424231421
113a395818a617
12161b07497311
1382056c4b30a
143c5cb1b4781
151e3aed40381
hex105cce829fd

1124424231421 has 4 divisors (see below), whose sum is σ = 1124444605600. Its totient is φ = 1124403857244.

The previous prime is 1124424231419. The next prime is 1124424231457. The reversal of 1124424231421 is 1241324244211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1124424231421 - 21 = 1124424231419 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 (1124424234421) 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, 10104081 + ... + 10214758.

It is an arithmetic number, because the mean of its divisors is an integer number (281111151400).

Almost surely, 21124424231421 is an apocalyptic number.

It is an amenable number.

1124424231421 is a deficient number, since it is larger than the sum of its proper divisors (20374179).

1124424231421 is an equidigital number, since it uses as much as digits as its factorization.

1124424231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20374178.

The product of its digits is 12288, while the sum is 31.

Adding to 1124424231421 its reverse (1241324244211), we get a palindrome (2365748475632).

The spelling of 1124424231421 in words is "one trillion, one hundred twenty-four billion, four hundred twenty-four million, two hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 55339 20318839 1124424231421