Search a number
-
+
67006808201 = 17231271349393
BaseRepresentation
bin111110011001111010…
…101100000010001001
320101221211010112122002
4332121322230002021
52044212220330301
650441004240345
74561330320644
oct763172540211
9211854115562
1067006808201
1126465661843
1210ba05400b5
13641b2a7c48
1433592a2a5b
151b2296416b
hexf99eac089

67006808201 has 16 divisors (see below), whose sum is σ = 74616090624. Its totient is φ = 59848233984.

The previous prime is 67006808177. The next prime is 67006808227. The reversal of 67006808201 is 10280860076.

67006808201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67006808201 - 26 = 67006808137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67006808101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625040 + ... + 724353.

It is an arithmetic number, because the mean of its divisors is an integer number (4663505664).

Almost surely, 267006808201 is an apocalyptic number.

It is an amenable number.

67006808201 is a deficient number, since it is larger than the sum of its proper divisors (7609282423).

67006808201 is a wasteful number, since it uses less digits than its factorization.

67006808201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349560.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 67006808201 in words is "sixty-seven billion, six million, eight hundred eight thousand, two hundred one".

Divisors: 1 17 23 127 391 2159 2921 49657 1349393 22939681 31036039 171372911 527612663 2913339487 3941576953 67006808201