Search a number
-
+
148775225916761 is a prime number
BaseRepresentation
bin100001110100111101101110…
…011111011111110101011001
3201111202202212021221212011122
4201310331232133133311121
5124000013130313314021
61244230221212535025
743223440534624403
oct4164755637376531
9644682767855148
10148775225916761
114344a245516814
1214829776181475
13650259c7a7572
1428a4a8b955b73
15122eeb97e9bab
hex874f6e7dfd59

148775225916761 has 2 divisors, whose sum is σ = 148775225916762. Its totient is φ = 148775225916760.

The previous prime is 148775225916719. The next prime is 148775225916817. The reversal of 148775225916761 is 167619522577841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86241292451161 + 62533933465600 = 9286619^2 + 7907840^2 .

It is a cyclic number.

It is not a de Polignac number, because 148775225916761 - 226 = 148775158807897 is a prime.

It is a super-2 number, since 2×1487752259167612 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (148775225906761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74387612958380 + 74387612958381.

It is an arithmetic number, because the mean of its divisors is an integer number (74387612958381).

Almost surely, 2148775225916761 is an apocalyptic number.

It is an amenable number.

148775225916761 is a deficient number, since it is larger than the sum of its proper divisors (1).

148775225916761 is an equidigital number, since it uses as much as digits as its factorization.

148775225916761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 355622400, while the sum is 71.

The spelling of 148775225916761 in words is "one hundred forty-eight trillion, seven hundred seventy-five billion, two hundred twenty-five million, nine hundred sixteen thousand, seven hundred sixty-one".