Search a number
-
+
30436422819 = 311922315843
BaseRepresentation
bin11100010110001001…
…101111010010100011
32220120011111110221020
4130112021233102203
5444313211012234
621552102100523
72125146216405
oct342611572243
986504443836
1030436422819
11119a9626a50
125a9511a743
132b40919c5a
14168a3b0b75
15bd20d4549
hex71626f4a3

30436422819 has 8 divisors (see below), whose sum is σ = 44271160512. Its totient is φ = 18446316840.

The previous prime is 30436422817. The next prime is 30436422881. The reversal of 30436422819 is 91822463403.

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

It is not a de Polignac number, because 30436422819 - 21 = 30436422817 is a prime.

It is a super-2 number, since 2×304364228192 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30436422817) 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, 461157889 + ... + 461157954.

It is an arithmetic number, because the mean of its divisors is an integer number (5533895064).

Almost surely, 230436422819 is an apocalyptic number.

30436422819 is a deficient number, since it is larger than the sum of its proper divisors (13834737693).

30436422819 is a wasteful number, since it uses less digits than its factorization.

30436422819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922315857.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 30436422819 in words is "thirty billion, four hundred thirty-six million, four hundred twenty-two thousand, eight hundred nineteen".

Divisors: 1 3 11 33 922315843 2766947529 10145474273 30436422819