Search a number
-
+
30502800255491 is a prime number
BaseRepresentation
bin1101110111101111111001…
…00100101110101000000011
311000000001001121002012002222
412323313330210232220003
512444224213331133431
6144512443141401255
76265516553140004
oct673677444565003
9130001047065088
1030502800255491
1197a018a5a0993
12350779210922b
13140352b776625
147764b445d1ab
1537d6ab69757b
hex1bbdfc92ea03

30502800255491 has 2 divisors, whose sum is σ = 30502800255492. Its totient is φ = 30502800255490.

The previous prime is 30502800255479. The next prime is 30502800255583. The reversal of 30502800255491 is 19455200820503.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30502800255491 - 222 = 30502796061187 is a prime.

It is not a weakly prime, because it can be changed into another prime (30502800255401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251400127745 + 15251400127746.

It is an arithmetic number, because the mean of its divisors is an integer number (15251400127746).

Almost surely, 230502800255491 is an apocalyptic number.

30502800255491 is a deficient number, since it is larger than the sum of its proper divisors (1).

30502800255491 is an equidigital number, since it uses as much as digits as its factorization.

30502800255491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 30502800255491 in words is "thirty trillion, five hundred two billion, eight hundred million, two hundred fifty-five thousand, four hundred ninety-one".