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245355040187 is a prime number
BaseRepresentation
bin1110010010000001001…
…1001100110110111011
3212110022012210110010122
43210200103030312323
513004441342241222
6304414202003455
723504061300605
oct3444023146673
9773265713118
10245355040187
1195066584194
123b674aa658b
131a1a195c66a
14bc37970175
1565b0144a42
hex39204ccdbb

245355040187 has 2 divisors, whose sum is σ = 245355040188. Its totient is φ = 245355040186.

The previous prime is 245355040069. The next prime is 245355040201. The reversal of 245355040187 is 781040553542.

245355040187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245355040187 - 28 = 245355039931 is a prime.

It is not a weakly prime, because it can be changed into another prime (245355043187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122677520093 + 122677520094.

It is an arithmetic number, because the mean of its divisors is an integer number (122677520094).

Almost surely, 2245355040187 is an apocalyptic number.

245355040187 is a deficient number, since it is larger than the sum of its proper divisors (1).

245355040187 is an equidigital number, since it uses as much as digits as its factorization.

245355040187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 245355040187 in words is "two hundred forty-five billion, three hundred fifty-five million, forty thousand, one hundred eighty-seven".