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244471100656261 is a prime number
BaseRepresentation
bin110111100101100001011101…
…000111001100101010000101
31012001121012122100020201020011
4313211201131013030222011
5224020403303232000021
62223540250113510221
7102331311530033503
oct6745413507145205
91161535570221204
10244471100656261
117099467aa76826
1223504178b72371
13a6546ab45832b
144452670487673
151d3e3c36d5de1
hexde585d1cca85

244471100656261 has 2 divisors, whose sum is σ = 244471100656262. Its totient is φ = 244471100656260.

The previous prime is 244471100656201. The next prime is 244471100656399. The reversal of 244471100656261 is 162656001174442.

244471100656261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243847150747236 + 623949909025 = 15615606^2 + 789905^2 .

It is a cyclic number.

It is not a de Polignac number, because 244471100656261 - 237 = 244333661702789 is a prime.

It is a super-2 number, since 2×2444711006562612 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244471100656201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122235550328130 + 122235550328131.

It is an arithmetic number, because the mean of its divisors is an integer number (122235550328131).

Almost surely, 2244471100656261 is an apocalyptic number.

It is an amenable number.

244471100656261 is a deficient number, since it is larger than the sum of its proper divisors (1).

244471100656261 is an equidigital number, since it uses as much as digits as its factorization.

244471100656261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 244471100656261 in words is "two hundred forty-four trillion, four hundred seventy-one billion, one hundred million, six hundred fifty-six thousand, two hundred sixty-one".