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132111213 = 3133387467
BaseRepresentation
bin1111101111111…
…01101101101101
3100012120221111220
413313331231231
5232310024323
621035333553
73162632613
oct767755555
9305527456
10132111213
1168634123
12382b12b9
13214a7720
141378d6b3
15b8e90e3
hex7dfdb6d

132111213 has 8 divisors (see below), whose sum is σ = 189698208. Its totient is φ = 81299184.

The previous prime is 132111209. The next prime is 132111223. The reversal of 132111213 is 312111231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132111213 - 22 = 132111209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132111192 and 132111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132111223) 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, 1693695 + ... + 1693772.

It is an arithmetic number, because the mean of its divisors is an integer number (23712276).

Almost surely, 2132111213 is an apocalyptic number.

132111213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

132111213 is a deficient number, since it is larger than the sum of its proper divisors (57586995).

132111213 is a wasteful number, since it uses less digits than its factorization.

132111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387483.

The product of its digits is 36, while the sum is 15.

The square root of 132111213 is about 11493.9641986566. The cubic root of 132111213 is about 509.3072910014.

Adding to 132111213 its reverse (312111231), we get a palindrome (444222444).

It can be divided in two parts, 1321112 and 13, that added together give a triangular number (1321125 = T1625).

The spelling of 132111213 in words is "one hundred thirty-two million, one hundred eleven thousand, two hundred thirteen".

Divisors: 1 3 13 39 3387467 10162401 44037071 132111213