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6812648929 = 41191869959
BaseRepresentation
bin1100101100001000…
…01100010111100001
3122120210012102102201
412112010030113201
5102423014231204
63044002413201
7330552363142
oct62604142741
918523172381
106812648929
112986620a79
1213a1661201
1384755a118
14488b0bac9
1529d15c9a4
hex19610c5e1

6812648929 has 8 divisors (see below), whose sum is σ = 7015357440. Its totient is φ = 6611680800.

The previous prime is 6812648917. The next prime is 6812648963. The reversal of 6812648929 is 9298462186.

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-6812648929 is a prime.

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 6812648929.

It is not an unprimeable number, because it can be changed into a prime (6812648989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427149 + ... + 442810.

It is an arithmetic number, because the mean of its divisors is an integer number (876919680).

Almost surely, 26812648929 is an apocalyptic number.

It is an amenable number.

6812648929 is a deficient number, since it is larger than the sum of its proper divisors (202708511).

6812648929 is a wasteful number, since it uses less digits than its factorization.

6812648929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870191.

The product of its digits is 2985984, while the sum is 55.

The square root of 6812648929 is about 82538.7722770335. The cubic root of 6812648929 is about 1895.7104456466.

The spelling of 6812648929 in words is "six billion, eight hundred twelve million, six hundred forty-eight thousand, nine hundred twenty-nine".

Divisors: 1 41 191 7831 869959 35668319 166162169 6812648929