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133120693 = 1771910891
BaseRepresentation
bin1111110111101…
…00001010110101
3100021111020021001
413323310022311
5233034330233
621113123301
73204335656
oct773641265
9307436231
10133120693
1169163602
12386b9531
132176c054
141397352d
15ba4827d
hex7ef42b5

133120693 has 8 divisors (see below), whose sum is σ = 141160320. Its totient is φ = 125104320.

The previous prime is 133120657. The next prime is 133120699. The reversal of 133120693 is 396021331.

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

It is a cyclic number.

It is not a de Polignac number, because 133120693 - 213 = 133112501 is a prime.

It is a super-2 number, since 2×1331206932 = 35442237809600498, which contains 22 as substring.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6778 + ... + 17668.

It is an arithmetic number, because the mean of its divisors is an integer number (17645040).

Almost surely, 2133120693 is an apocalyptic number.

It is an amenable number.

133120693 is a deficient number, since it is larger than the sum of its proper divisors (8039627).

133120693 is a wasteful number, since it uses less digits than its factorization.

133120693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11627.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 133120693 is about 11537.7941132610. The cubic root of 133120693 is about 510.6012299400.

The spelling of 133120693 in words is "one hundred thirty-three million, one hundred twenty thousand, six hundred ninety-three".

Divisors: 1 17 719 10891 12223 185147 7830629 133120693