Search a number
-
+
30884086451 = 77797396983
BaseRepresentation
bin11100110000110101…
…011100001010110011
32221201100212010222202
4130300311130022303
51001222311231301
622104333053415
72142223255241
oct346065341263
987640763882
1030884086451
1112109297299
125b9b02726b
132bb25a938a
1416cda21791
15c0b56066b
hex730d5c2b3

30884086451 has 4 divisors (see below), whose sum is σ = 30884561232. Its totient is φ = 30883611672.

The previous prime is 30884086447. The next prime is 30884086459. The reversal of 30884086451 is 15468048803.

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 30884086451 - 22 = 30884086447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30884086396 and 30884086405.

It is not an unprimeable number, because it can be changed into a prime (30884086459) 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, 120695 + ... + 276288.

It is an arithmetic number, because the mean of its divisors is an integer number (7721140308).

Almost surely, 230884086451 is an apocalyptic number.

30884086451 is a deficient number, since it is larger than the sum of its proper divisors (474781).

30884086451 is an equidigital number, since it uses as much as digits as its factorization.

30884086451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474780.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 30884086451 in words is "thirty billion, eight hundred eighty-four million, eighty-six thousand, four hundred fifty-one".

Divisors: 1 77797 396983 30884086451