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671342670143 = 1993373581257
BaseRepresentation
bin10011100010011110010…
…01000011000100111111
32101011212000200012112122
421301033021003010333
541444402210421033
61232224403153155
766334332353615
oct11611711030477
92334760605478
10671342670143
11239795487612
12aa13b3757bb
134b3cc2ccb22
14246c93276b5
15126e329ba98
hex9c4f24313f

671342670143 has 4 divisors (see below), whose sum is σ = 674716251600. Its totient is φ = 667969088688.

The previous prime is 671342670121. The next prime is 671342670203. The reversal of 671342670143 is 341076243176.

It is a happy number.

671342670143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-671342670143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671342670094 and 671342670103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671342670113) 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, 1686790430 + ... + 1686790827.

It is an arithmetic number, because the mean of its divisors is an integer number (168679062900).

Almost surely, 2671342670143 is an apocalyptic number.

671342670143 is a deficient number, since it is larger than the sum of its proper divisors (3373581457).

671342670143 is a wasteful number, since it uses less digits than its factorization.

671342670143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373581456.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 671342670143 in words is "six hundred seventy-one billion, three hundred forty-two million, six hundred seventy thousand, one hundred forty-three".

Divisors: 1 199 3373581257 671342670143