Search a number
-
+
100101010967281 is a prime number
BaseRepresentation
bin10110110000101010010101…
…001100110100101011110001
3111010102120012120021022221001
4112300222111030310223301
5101110023332301423111
6552521434122202001
730041026240200232
oct2660522514645361
9433376176238831
10100101010967281
1129993667076a25
12b2882b6053301
1343b163c23277c
141aa0cb4237089
15b88ccc6551c1
hex5b0a95334af1

100101010967281 has 2 divisors, whose sum is σ = 100101010967282. Its totient is φ = 100101010967280.

The previous prime is 100101010967257. The next prime is 100101010967351. The reversal of 100101010967281 is 182769010101001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92100796711056 + 8000214256225 = 9596916^2 + 2828465^2 .

It is an emirp because it is prime and its reverse (182769010101001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100101010967281 - 215 = 100101010934513 is a prime.

It is a super-2 number, since 2×1001010109672812 (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 100101010967281.

It is not a weakly prime, because it can be changed into another prime (100101010967231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050505483640 + 50050505483641.

It is an arithmetic number, because the mean of its divisors is an integer number (50050505483641).

Almost surely, 2100101010967281 is an apocalyptic number.

It is an amenable number.

100101010967281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100101010967281 is an equidigital number, since it uses as much as digits as its factorization.

100101010967281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 37.

The spelling of 100101010967281 in words is "one hundred trillion, one hundred one billion, ten million, nine hundred sixty-seven thousand, two hundred eighty-one".