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133938701 = 1312897993
BaseRepresentation
bin1111111101110…
…11111000001101
3100100000210100122
413332323320031
5233242014301
621142434325
73214313561
oct776737015
9310023318
10133938701
1169672146
1238a329a5
1321997490
1413b076a1
15bb5a81b
hex7fbbe0d

133938701 has 8 divisors (see below), whose sum is σ = 144371640. Its totient is φ = 123524352.

The previous prime is 133938697. The next prime is 133938703. The reversal of 133938701 is 107839331.

It can be written as a sum of positive squares in 4 ways, for example, as 2033476 + 131905225 = 1426^2 + 11485^2 .

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 133938701 - 22 = 133938697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133938703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12761 + ... + 20753.

It is an arithmetic number, because the mean of its divisors is an integer number (18046455).

Almost surely, 2133938701 is an apocalyptic number.

It is an amenable number.

133938701 is a deficient number, since it is larger than the sum of its proper divisors (10432939).

133938701 is a wasteful number, since it uses less digits than its factorization.

133938701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 133938701 is about 11573.1888863874. The cubic root of 133938701 is about 511.6449526707.

The spelling of 133938701 in words is "one hundred thirty-three million, nine hundred thirty-eight thousand, seven hundred one".

Divisors: 1 13 1289 7993 16757 103909 10302977 133938701