Search a number
-
+
124220424022381 is a prime number
BaseRepresentation
bin11100001111101001010010…
…001111110110100101101101
3121021211100121221011020222101
4130033221102033312211231
5112240211412022204011
61120110024110415101
735110425623364121
oct3417512217664555
9537740557136871
10124220424022381
1136642649a39315
1211b22900801491
135440c21a219cb
14229642cbd1581
15e563d1b5c2c1
hex70fa523f696d

124220424022381 has 2 divisors, whose sum is σ = 124220424022382. Its totient is φ = 124220424022380.

The previous prime is 124220424022339. The next prime is 124220424022421. The reversal of 124220424022381 is 183220424022421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123011589741481 + 1208834280900 = 11091059^2 + 1099470^2 .

It is a cyclic number.

It is not a de Polignac number, because 124220424022381 - 237 = 124082985068909 is a prime.

It is a super-2 number, since 2×1242204240223812 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124220424022381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124220424022781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62110212011190 + 62110212011191.

It is an arithmetic number, because the mean of its divisors is an integer number (62110212011191).

Almost surely, 2124220424022381 is an apocalyptic number.

It is an amenable number.

124220424022381 is a deficient number, since it is larger than the sum of its proper divisors (1).

124220424022381 is an equidigital number, since it uses as much as digits as its factorization.

124220424022381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98304, while the sum is 37.

The spelling of 124220424022381 in words is "one hundred twenty-four trillion, two hundred twenty billion, four hundred twenty-four million, twenty-two thousand, three hundred eighty-one".