Search a number
-
+
33742164487 = 59727786659
BaseRepresentation
bin11111011011001100…
…001001001000000111
310020002112211112222211
4133123030021020013
51023100443230422
623300111404251
72303106444253
oct373314111007
9106075745884
1033742164487
1113345632659
126658223687
13324975c805
1418c1443263
15d2741d577
hex7db309207

33742164487 has 8 divisors (see below), whose sum is σ = 34361308800. Its totient is φ = 33124595064.

The previous prime is 33742164433. The next prime is 33742164497. The reversal of 33742164487 is 78446124733.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33742164487 is a prime.

It is a super-2 number, since 2×337421644872 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33742164487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33742164497) 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, 350437 + ... + 436222.

It is an arithmetic number, because the mean of its divisors is an integer number (4295163600).

Almost surely, 233742164487 is an apocalyptic number.

33742164487 is a deficient number, since it is larger than the sum of its proper divisors (619144313).

33742164487 is an equidigital number, since it uses as much as digits as its factorization.

33742164487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787445.

The product of its digits is 2709504, while the sum is 49.

The spelling of 33742164487 in words is "thirty-three billion, seven hundred forty-two million, one hundred sixty-four thousand, four hundred eighty-seven".

Divisors: 1 59 727 42893 786659 46412881 571901093 33742164487