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132131112123121 = 166197950605459
BaseRepresentation
bin11110000010110000101100…
…000000000111101011110001
3122022211121111101110002110221
4132002300230000013223301
5114304314004200414441
61145004110034453041
736555105063651406
oct3602605400075361
9568747441402427
10132131112123121
1139112543162761
121299ba8a134181
135895bab227aa7
14248b273ad02ad
151042077d678d1
hex782c2c007af1

132131112123121 has 4 divisors (see below), whose sum is σ = 132139062745200. Its totient is φ = 132123161501044.

The previous prime is 132131112123107. The next prime is 132131112123139. The reversal of 132131112123121 is 121321211131231.

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 132131112123121 - 213 = 132131112114929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132131112123181) 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, 3975286111 + ... + 3975319348.

It is an arithmetic number, because the mean of its divisors is an integer number (33034765686300).

Almost surely, 2132131112123121 is an apocalyptic number.

It is an amenable number.

132131112123121 is a deficient number, since it is larger than the sum of its proper divisors (7950622079).

132131112123121 is an equidigital number, since it uses as much as digits as its factorization.

132131112123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7950622078.

The product of its digits is 432, while the sum is 25.

Adding to 132131112123121 its reverse (121321211131231), we get a palindrome (253452323254352).

The spelling of 132131112123121 in words is "one hundred thirty-two trillion, one hundred thirty-one billion, one hundred twelve million, one hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 16619 7950605459 132131112123121