Search a number
-
+
30064845749 is a prime number
BaseRepresentation
bin11100000000000000…
…010010001110110101
32212121021022102000112
4130000000102032311
5443033100030444
621451145552405
72113014654341
oct340000221665
985537272015
1030064845749
1111828904664
1259b07a5705
132ab194a873
141652cc8621
15bae68769e
hex7000123b5

30064845749 has 2 divisors, whose sum is σ = 30064845750. Its totient is φ = 30064845748.

The previous prime is 30064845721. The next prime is 30064845787. The reversal of 30064845749 is 94754846003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20618949649 + 9445896100 = 143593^2 + 97190^2 .

It is a cyclic number.

It is not a de Polignac number, because 30064845749 - 28 = 30064845493 is a prime.

It is a super-2 number, since 2×300648457492 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30064845697 and 30064845706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30064842749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15032422874 + 15032422875.

It is an arithmetic number, because the mean of its divisors is an integer number (15032422875).

Almost surely, 230064845749 is an apocalyptic number.

It is an amenable number.

30064845749 is a deficient number, since it is larger than the sum of its proper divisors (1).

30064845749 is an equidigital number, since it uses as much as digits as its factorization.

30064845749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 30064845749 in words is "thirty billion, sixty-four million, eight hundred forty-five thousand, seven hundred forty-nine".