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132123331 = 519725423
BaseRepresentation
bin1111110000000…
…00101011000011
3100012121120010201
413320000223003
5232310421311
621035510031
73163013134
oct770005303
9305546121
10132123331
116864223a
12382b8317
13214b00b2
1413793c8b
15b8ec9c1
hex7e00ac3

132123331 has 4 divisors (see below), whose sum is σ = 132153952. Its totient is φ = 132092712.

The previous prime is 132123287. The next prime is 132123367. The reversal of 132123331 is 133321231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133321231 = 1048712713.

It is a cyclic number.

It is not a de Polignac number, because 132123331 - 219 = 131599043 is a prime.

It is a super-2 number, since 2×1321233312 = 34913149189071122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132123299 and 132123308.

It is not an unprimeable number, because it can be changed into a prime (132123731) 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, 7515 + ... + 17908.

It is an arithmetic number, because the mean of its divisors is an integer number (33038488).

Almost surely, 2132123331 is an apocalyptic number.

132123331 is a deficient number, since it is larger than the sum of its proper divisors (30621).

132123331 is an equidigital number, since it uses as much as digits as its factorization.

132123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620.

The product of its digits is 324, while the sum is 19.

The square root of 132123331 is about 11494.4913328081. The cubic root of 132123331 is about 509.3228627229.

Adding to 132123331 its reverse (133321231), we get a palindrome (265444562).

The spelling of 132123331 in words is "one hundred thirty-two million, one hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 5197 25423 132123331