Search a number
-
+
10211212819 is a prime number
BaseRepresentation
bin10011000001010001…
…01011111000010011
3222100122012100122101
421200220223320103
5131403032302234
64405125421231
7511020606523
oct114050537023
928318170571
1010211212819
11436aa66365
121b8b86a817
13c6969c382
146cc223683
153eb6ce814
hex260a2be13

10211212819 has 2 divisors, whose sum is σ = 10211212820. Its totient is φ = 10211212818.

The previous prime is 10211212799. The next prime is 10211212859. The reversal of 10211212819 is 91821211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211212819 - 27 = 10211212691 is a prime.

It is a super-2 number, since 2×102112128192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10211212859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105606409 + 5105606410.

It is an arithmetic number, because the mean of its divisors is an integer number (5105606410).

Almost surely, 210211212819 is an apocalyptic number.

10211212819 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211212819 is an equidigital number, since it uses as much as digits as its factorization.

10211212819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 10211212819 in words is "ten billion, two hundred eleven million, two hundred twelve thousand, eight hundred nineteen".