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133620108 = 22311135009
BaseRepresentation
bin1111111011011…
…10000110001100
3100022102121022220
413331232012030
5233201320413
621131535340
73211515666
oct775560614
9308377286
10133620108
1169474846
12388ba550
13218b546b
1413a63536
15bae6223
hex7f6e18c

133620108 has 12 divisors (see below), whose sum is σ = 311780280. Its totient is φ = 44540032.

The previous prime is 133620089. The next prime is 133620143. The reversal of 133620108 is 801026331.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5567493 + ... + 5567516.

It is an arithmetic number, because the mean of its divisors is an integer number (25981690).

Almost surely, 2133620108 is an apocalyptic number.

It is an amenable number.

133620108 is an abundant number, since it is smaller than the sum of its proper divisors (178160172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133620108 is a wasteful number, since it uses less digits than its factorization.

133620108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135016 (or 11135014 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 133620108 is about 11559.4164212559. The cubic root of 133620108 is about 511.2389562080.

Adding to 133620108 its reverse (801026331), we get a palindrome (934646439).

The spelling of 133620108 in words is "one hundred thirty-three million, six hundred twenty thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 11135009 22270018 33405027 44540036 66810054 133620108