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133160401 = 1112105491
BaseRepresentation
bin1111110111111…
…01110111010001
3100021120020201201
413323331313101
5233042113101
621114031201
73204562513
oct773756721
9307506651
10133160401
1169190420
1238718501
132178414a
1413983bb3
15ba54e01
hex7efddd1

133160401 has 4 divisors (see below), whose sum is σ = 145265904. Its totient is φ = 121054900.

The previous prime is 133160393. The next prime is 133160411. The reversal of 133160401 is 104061331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133160401 - 23 = 133160393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133160411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052735 + ... + 6052756.

It is an arithmetic number, because the mean of its divisors is an integer number (36316476).

Almost surely, 2133160401 is an apocalyptic number.

133160401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133160401 is a deficient number, since it is larger than the sum of its proper divisors (12105503).

133160401 is a wasteful number, since it uses less digits than its factorization.

133160401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105502.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 133160401 is about 11539.5147644951. The cubic root of 133160401 is about 510.6519932426.

The spelling of 133160401 in words is "one hundred thirty-three million, one hundred sixty thousand, four hundred one".

Divisors: 1 11 12105491 133160401