Search a number
-
+
30306160303 = 235112890753
BaseRepresentation
bin11100001110011000…
…110100111010101111
32220020002101110100121
4130032120310322233
5444031334112203
621531130105411
72122005053326
oct341630647257
986202343317
1030306160303
1111942045881
125a5957b267
132b1c93bb43
141676d830bd
15bc59530bd
hex70e634eaf

30306160303 has 4 divisors (see below), whose sum is σ = 30319053408. Its totient is φ = 30293267200.

The previous prime is 30306160279. The next prime is 30306160343.

It is a happy number.

30306160303 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30306160303 is a prime.

It is a super-2 number, since 2×303061603032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30306160343) 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, 6443026 + ... + 6447727.

It is an arithmetic number, because the mean of its divisors is an integer number (7579763352).

Almost surely, 230306160303 is an apocalyptic number.

30306160303 is a deficient number, since it is larger than the sum of its proper divisors (12893105).

30306160303 is a wasteful number, since it uses less digits than its factorization.

30306160303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12893104.

The product of its (nonzero) digits is 2916, while the sum is 25.

The spelling of 30306160303 in words is "thirty billion, three hundred six million, one hundred sixty thousand, three hundred three".

Divisors: 1 2351 12890753 30306160303