Search a number
-
+
680272272087 = 3226757424029
BaseRepresentation
bin10011110011000110110…
…00110001101011010111
32102000220100021222120120
421321203120301223113
542121144200201322
61240302431403023
7100101531622542
oct11714330615327
92360810258516
10680272272087
11242557a65731
12aba11983473
134c1c3302365
1424cd5255859
1512a671bea5c
hex9e63631ad7

680272272087 has 4 divisors (see below), whose sum is σ = 907029696120. Its totient is φ = 453514848056.

The previous prime is 680272272073. The next prime is 680272272091. The reversal of 680272272087 is 780272272086.

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

It is a cyclic number.

It is not a de Polignac number, because 680272272087 - 26 = 680272272023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680272202087) 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, 113378712012 + ... + 113378712017.

It is an arithmetic number, because the mean of its divisors is an integer number (226757424030).

Almost surely, 2680272272087 is an apocalyptic number.

680272272087 is a deficient number, since it is larger than the sum of its proper divisors (226757424033).

680272272087 is a wasteful number, since it uses less digits than its factorization.

680272272087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226757424032.

The product of its (nonzero) digits is 2107392, while the sum is 51.

Subtracting 680272272087 from its reverse (780272272086), we obtain a palindrome (99999999999).

The spelling of 680272272087 in words is "six hundred eighty billion, two hundred seventy-two million, two hundred seventy-two thousand, eighty-seven".

Divisors: 1 3 226757424029 680272272087