Search a number
-
+
132121231001 = 257514090393
BaseRepresentation
bin111101100001100001…
…0011111111010011001
3110122000202101221111222
41323003002133322121
54131041013343001
6140410132301425
712355041635204
oct1730302377231
9418022357458
10132121231001
1151039a99401
1221733171875
13c5c74b71c6
1465750c093b
1536841c161b
hex1ec309fe99

132121231001 has 4 divisors (see below), whose sum is σ = 132635321652. Its totient is φ = 131607140352.

The previous prime is 132121230977. The next prime is 132121231049. The reversal of 132121231001 is 100132121231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100132121231 = 227344052847.

It can be written as a sum of positive squares in 2 ways, for example, as 129603600025 + 2517630976 = 360005^2 + 50176^2 .

It is a cyclic number.

It is not a de Polignac number, because 132121231001 - 222 = 132117036697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132121231201) 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, 257044940 + ... + 257045453.

It is an arithmetic number, because the mean of its divisors is an integer number (33158830413).

Almost surely, 2132121231001 is an apocalyptic number.

It is an amenable number.

132121231001 is a deficient number, since it is larger than the sum of its proper divisors (514090651).

132121231001 is an equidigital number, since it uses as much as digits as its factorization.

132121231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514090650.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 132121231001 its reverse (100132121231), we get a palindrome (232253352232).

The spelling of 132121231001 in words is "one hundred thirty-two billion, one hundred twenty-one million, two hundred thirty-one thousand, one".

Divisors: 1 257 514090393 132121231001