Search a number
-
+
6814072645 = 53143961759
BaseRepresentation
bin1100101100010011…
…00111111101000101
3122120212212202101221
412112021213331011
5102423400311040
63044053120341
7330600443002
oct62611477505
918525782357
106814072645
1129874036a6
1213a20290b1
13847938163
14488d9c8a9
1529d33e74a
hex196267f45

6814072645 has 8 divisors (see below), whose sum is σ = 8440657920. Its totient is φ = 5275410960.

The previous prime is 6814072627. The next prime is 6814072673. The reversal of 6814072645 is 5462704186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6814072645 - 215 = 6814039877 is a prime.

It is a super-2 number, since 2×68140726452 = 92863172022674592050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21980725 + ... + 21981034.

It is an arithmetic number, because the mean of its divisors is an integer number (1055082240).

Almost surely, 26814072645 is an apocalyptic number.

It is an amenable number.

6814072645 is a deficient number, since it is larger than the sum of its proper divisors (1626585275).

6814072645 is a wasteful number, since it uses less digits than its factorization.

6814072645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43961795.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 6814072645 is about 82547.3963550638. The cubic root of 6814072645 is about 1895.8424924384.

The spelling of 6814072645 in words is "six billion, eight hundred fourteen million, seventy-two thousand, six hundred forty-five".

Divisors: 1 5 31 155 43961759 219808795 1362814529 6814072645