Search a number
-
+
1232143464443 = 15153031538731
BaseRepresentation
bin10001111011100001011…
…110010011011111111011
311100210101012022021210112
4101323201132103133323
5130141412211330233
62342012222334535
7155006443433243
oct21734136233773
94323335267715
101232143464443
11435604955741
1217a96a42a44b
138c262a78358
14438c94d4b23
15220b6ab5048
hex11ee17937fb

1232143464443 has 8 divisors (see below), whose sum is σ = 1240538048256. Its totient is φ = 1223751969000.

The previous prime is 1232143464427. The next prime is 1232143464451. The reversal of 1232143464443 is 3444643412321.

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 1232143464443 - 24 = 1232143464427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232143464443.

It is not an unprimeable number, because it can be changed into a prime (1232143464413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31388 + ... + 1570118.

It is an arithmetic number, because the mean of its divisors is an integer number (155067256032).

Almost surely, 21232143464443 is an apocalyptic number.

1232143464443 is a deficient number, since it is larger than the sum of its proper divisors (8394583813).

1232143464443 is a wasteful number, since it uses less digits than its factorization.

1232143464443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544185.

The product of its digits is 663552, while the sum is 41.

Adding to 1232143464443 its reverse (3444643412321), we get a palindrome (4676786876764).

The spelling of 1232143464443 in words is "one trillion, two hundred thirty-two billion, one hundred forty-three million, four hundred sixty-four thousand, four hundred forty-three".

Divisors: 1 151 5303 800753 1538731 232348381 8159890493 1232143464443