Search a number
-
+
6978134286001 = 193559103194781
BaseRepresentation
bin110010110001011100100…
…1101110001111010110001
3220201002210011202121200001
41211202321031301322301
51403312204334123001
622501413255230001
71320103446522664
oct145427115617261
926632704677601
106978134286001
11225045698082a
129484ab078301
133b805c562c18
141a1a5a24d6db
15c17b5c99001
hex658b9371eb1

6978134286001 has 8 divisors (see below), whose sum is σ = 7347468478400. Its totient is φ = 6609006490320.

The previous prime is 6978134285977. The next prime is 6978134286017. The reversal of 6978134286001 is 1006824318796.

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-6978134286001 is a prime.

It is a super-2 number, since 2×69781342860012 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6978134286601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51529770 + ... + 51665011.

It is an arithmetic number, because the mean of its divisors is an integer number (918433559800).

Almost surely, 26978134286001 is an apocalyptic number.

It is an amenable number.

6978134286001 is a deficient number, since it is larger than the sum of its proper divisors (369334192399).

6978134286001 is a wasteful number, since it uses less digits than its factorization.

6978134286001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103198359.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 6978134286001 in words is "six trillion, nine hundred seventy-eight billion, one hundred thirty-four million, two hundred eighty-six thousand, one".

Divisors: 1 19 3559 67621 103194781 1960700839 367270225579 6978134286001