Search a number
-
+
30477576073 = 74353939439
BaseRepresentation
bin11100011000100110…
…101110011110001001
32220200000221021120211
4130120212232132021
5444404224413243
622000132121121
72126156056630
oct343046563611
986600837524
1030477576073
1111a1a884aaa
125aa6a661a1
132b492c86a9
141691a44517
15bd5a12d9d
hex7189ae789

30477576073 has 4 divisors (see below), whose sum is σ = 34831515520. Its totient is φ = 26123636628.

The previous prime is 30477576037. The next prime is 30477576089. The reversal of 30477576073 is 37067577403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37067577403 = 340710879829.

It is a cyclic number.

It is not a de Polignac number, because 30477576073 - 221 = 30475478921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30477576673) 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, 2176969713 + ... + 2176969726.

It is an arithmetic number, because the mean of its divisors is an integer number (8707878880).

Almost surely, 230477576073 is an apocalyptic number.

It is an amenable number.

30477576073 is a deficient number, since it is larger than the sum of its proper divisors (4353939447).

30477576073 is an equidigital number, since it uses as much as digits as its factorization.

30477576073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353939446.

The product of its (nonzero) digits is 2593080, while the sum is 49.

The spelling of 30477576073 in words is "thirty billion, four hundred seventy-seven million, five hundred seventy-six thousand, seventy-three".

Divisors: 1 7 4353939439 30477576073