Search a number
-
+
30752681251 is a prime number
BaseRepresentation
bin11100101001000000…
…001010110100100011
32221101012121001221111
4130221000022310203
51000440141300001
622043320404151
72136036322555
oct345100126443
987335531844
1030752681251
11120510a5656
125b63016657
132b912bb116
1416ba3b74d5
15beec55851
hex72900ad23

30752681251 has 2 divisors, whose sum is σ = 30752681252. Its totient is φ = 30752681250.

The previous prime is 30752681213. The next prime is 30752681269. The reversal of 30752681251 is 15218625703.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30752681251 - 215 = 30752648483 is a prime.

It is not a weakly prime, because it can be changed into another prime (30752681551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15376340625 + 15376340626.

It is an arithmetic number, because the mean of its divisors is an integer number (15376340626).

Almost surely, 230752681251 is an apocalyptic number.

30752681251 is a deficient number, since it is larger than the sum of its proper divisors (1).

30752681251 is an equidigital number, since it uses as much as digits as its factorization.

30752681251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 30752681251 in words is "thirty billion, seven hundred fifty-two million, six hundred eighty-one thousand, two hundred fifty-one".