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133120692 = 22336718397
BaseRepresentation
bin1111110111101…
…00001010110100
3100021111020021000
413323310022310
5233034330232
621113123300
73204335655
oct773641264
9307436230
10133120692
1169163601
12386b9530
132176c053
141397352c
15ba4827c
hex7ef42b4

133120692 has 48 divisors (see below), whose sum is σ = 350297920. Its totient is φ = 43708896.

The previous prime is 133120657. The next prime is 133120699. The reversal of 133120692 is 296021331.

It is a super-2 number, since 2×1331206922 = 35442237277117728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133120699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1963 + ... + 16434.

Almost surely, 2133120692 is an apocalyptic number.

133120692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133120692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175148960).

133120692 is an abundant number, since it is smaller than the sum of its proper divisors (217177228).

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

133120692 is a wasteful number, since it uses less digits than its factorization.

133120692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477 (or 18469 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 133120692 is about 11537.7940699252. The cubic root of 133120692 is about 510.6012286615.

The spelling of 133120692 in words is "one hundred thirty-three million, one hundred twenty thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 67 108 134 201 268 402 603 804 1206 1809 2412 3618 7236 18397 36794 55191 73588 110382 165573 220764 331146 496719 662292 993438 1232599 1986876 2465198 3697797 4930396 7395594 11093391 14791188 22186782 33280173 44373564 66560346 133120692