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1223248151 is a prime number
BaseRepresentation
bin100100011101001…
…0100100100010111
310011020202110000002
41020322110210113
510001122420101
6321214241515
742212303066
oct11072244427
93136673002
101223248151
11578545494
122a17b629b
13166574198
14b86621dd
15725cdd6b
hex48e94917

1223248151 has 2 divisors, whose sum is σ = 1223248152. Its totient is φ = 1223248150.

The previous prime is 1223248111. The next prime is 1223248171. The reversal of 1223248151 is 1518423221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223248151 - 230 = 149506327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223248111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611624075 + 611624076.

It is an arithmetic number, because the mean of its divisors is an integer number (611624076).

Almost surely, 21223248151 is an apocalyptic number.

1223248151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223248151 is an equidigital number, since it uses as much as digits as its factorization.

1223248151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 1223248151 is about 34974.9646318620. The cubic root of 1223248151 is about 1069.4771810413.

The spelling of 1223248151 in words is "one billion, two hundred twenty-three million, two hundred forty-eight thousand, one hundred fifty-one".