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133050661 = 1271397537
BaseRepresentation
bin1111110111000…
…11000100100101
3100021100200012021
413323203010211
5233030110121
621111423141
73203624542
oct773430445
9307320167
10133050661
1169115a27
1238684ab1
1321746203
1413955bc9
15ba32641
hex7ee3125

133050661 has 8 divisors (see below), whose sum is σ = 135080960. Its totient is φ = 131035968.

The previous prime is 133050641. The next prime is 133050679. The reversal of 133050661 is 166050331.

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 133050661 - 25 = 133050629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133050601) 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, 13885 + ... + 21421.

It is an arithmetic number, because the mean of its divisors is an integer number (16885120).

Almost surely, 2133050661 is an apocalyptic number.

It is an amenable number.

133050661 is a deficient number, since it is larger than the sum of its proper divisors (2030299).

133050661 is a wasteful number, since it uses less digits than its factorization.

133050661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 133050661 is about 11534.7588184582. The cubic root of 133050661 is about 510.5116753738.

The spelling of 133050661 in words is "one hundred thirty-three million, fifty thousand, six hundred sixty-one".

Divisors: 1 127 139 7537 17653 957199 1047643 133050661