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100219339481 is a prime number
BaseRepresentation
bin101110101010110001…
…0011100001011011001
3100120200110100221110012
41131111202130023121
53120222122330411
6114012400131305
710145346221132
oct1352542341331
9316613327405
10100219339481
11395592280a8
121750b306b35
1395b20a8611
144bca238c89
15291861418b
hex175589c2d9

100219339481 has 2 divisors, whose sum is σ = 100219339482. Its totient is φ = 100219339480.

The previous prime is 100219339433. The next prime is 100219339483. The reversal of 100219339481 is 184933912001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61078673881 + 39140665600 = 247141^2 + 197840^2 .

It is an emirp because it is prime and its reverse (184933912001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100219339481 - 226 = 100152230617 is a prime.

It is a super-2 number, since 2×1002193394812 (a number of 23 digits) contains 22 as substring.

Together with 100219339483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100219339483) 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, 50109669740 + 50109669741.

It is an arithmetic number, because the mean of its divisors is an integer number (50109669741).

Almost surely, 2100219339481 is an apocalyptic number.

It is an amenable number.

100219339481 is a deficient number, since it is larger than the sum of its proper divisors (1).

100219339481 is an equidigital number, since it uses as much as digits as its factorization.

100219339481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 100219339481 in words is "one hundred billion, two hundred nineteen million, three hundred thirty-nine thousand, four hundred eighty-one".