Search a number
-
+
70330525261 is a prime number
BaseRepresentation
bin100000110000000000…
…1101010011001001101
320201112110021212021221
41001200001222121031
52123014103302021
652150455123341
75036566413103
oct1014001523115
9221473255257
1070330525261
1127910825647
1211769673551
13682aa72529
143592893c73
151c6964e241
hex106006a64d

70330525261 has 2 divisors, whose sum is σ = 70330525262. Its totient is φ = 70330525260.

The previous prime is 70330525241. The next prime is 70330525289. The reversal of 70330525261 is 16252503307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55139962761 + 15190562500 = 234819^2 + 123250^2 .

It is a cyclic number.

It is not a de Polignac number, because 70330525261 - 215 = 70330492493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70330525241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35165262630 + 35165262631.

It is an arithmetic number, because the mean of its divisors is an integer number (35165262631).

Almost surely, 270330525261 is an apocalyptic number.

It is an amenable number.

70330525261 is a deficient number, since it is larger than the sum of its proper divisors (1).

70330525261 is an equidigital number, since it uses as much as digits as its factorization.

70330525261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 70330525261 in words is "seventy billion, three hundred thirty million, five hundred twenty-five thousand, two hundred sixty-one".