Search a number
-
+
132121013 = 294555897
BaseRepresentation
bin1111110000000…
…00000110110101
3100012121102221212
413320000012311
5232310333023
621035451205
73163003313
oct770000665
9305542855
10132121013
1168640522
12382b6b05
13214ac01b
14137930b3
15b8ebe78
hex7e001b5

132121013 has 4 divisors (see below), whose sum is σ = 136676940. Its totient is φ = 127565088.

The previous prime is 132121009. The next prime is 132121027. The reversal of 132121013 is 310121231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103999204 + 28121809 = 10198^2 + 5303^2 .

It is a cyclic number.

It is not a de Polignac number, because 132121013 - 22 = 132121009 is a prime.

It is a super-2 number, since 2×1321210132 = 34911924152292338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132121513) 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, 2277920 + ... + 2277977.

It is an arithmetic number, because the mean of its divisors is an integer number (34169235).

Almost surely, 2132121013 is an apocalyptic number.

It is an amenable number.

132121013 is a deficient number, since it is larger than the sum of its proper divisors (4555927).

132121013 is an equidigital number, since it uses as much as digits as its factorization.

132121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555926.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 132121013 is about 11494.3905014577. The cubic root of 132121013 is about 509.3198841491.

Adding to 132121013 its reverse (310121231), we get a palindrome (442242244).

The spelling of 132121013 in words is "one hundred thirty-two million, one hundred twenty-one thousand, thirteen".

Divisors: 1 29 4555897 132121013