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100099226281 is a prime number
BaseRepresentation
bin101110100111001100…
…0001111101010101001
3100120101002100120010011
41131032120033222221
53120000400220111
6113552425451521
710142360245645
oct1351630175251
9316332316104
10100099226281
11394a744929a
1217497040ba1
139593242012
144bb82cdc25
15290ccda021
hex174e60faa9

100099226281 has 2 divisors, whose sum is σ = 100099226282. Its totient is φ = 100099226280.

The previous prime is 100099226267. The next prime is 100099226309. The reversal of 100099226281 is 182622990001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98648759056 + 1450467225 = 314084^2 + 38085^2 .

It is a cyclic number.

It is not a de Polignac number, because 100099226281 - 27 = 100099226153 is a prime.

It is a super-2 number, since 2×1000992262812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100099229281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50049613140 + 50049613141.

It is an arithmetic number, because the mean of its divisors is an integer number (50049613141).

Almost surely, 2100099226281 is an apocalyptic number.

It is an amenable number.

100099226281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100099226281 is an equidigital number, since it uses as much as digits as its factorization.

100099226281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 100099226281 in words is "one hundred billion, ninety-nine million, two hundred twenty-six thousand, two hundred eighty-one".