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213200444002312 = 231310983772245121
BaseRepresentation
bin110000011110011110011000…
…101110110001000000001000
31000221212202121111212221000101
4300132132120232301000020
5210421034002131033222
62033234533140415144
762623136516102464
oct6036363056610010
91027782544787011
10213200444002312
1161a288895737a8
121bab38113a74b4
1391c693c243210
143a90d56aa74a4
15199ac75b51927
hexc1e798bb1008

213200444002312 has 64 divisors (see below), whose sum is σ = 434502501879600. Its totient is φ = 97485768622080.

The previous prime is 213200444002303. The next prime is 213200444002331.

213200444002312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 2322009106596 + 210878434895716 = 1523814^2 + 14521654^2 .

It is a super-2 number, since 2×2132004440023122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93839112 + ... + 96084232.

Almost surely, 2213200444002312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213200444002312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217251250939800).

213200444002312 is an abundant number, since it is smaller than the sum of its proper divisors (221302057877288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213200444002312 is a wasteful number, since it uses less digits than its factorization.

213200444002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253626 (or 2253622 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 213200444002312 in words is "two hundred thirteen trillion, two hundred billion, four hundred forty-four million, two thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 109 218 436 872 1417 2834 5668 8377 11336 16754 33508 67016 108901 217802 435604 871208 913093 1826186 2245121 3652372 4490242 7304744 8980484 11870209 17960968 23740418 29186573 47480836 58373146 94961672 116746292 233492584 244718189 489436378 978872756 1957745512 3181336457 6362672914 12725345828 18807378617 25450691656 37614757234 75229514468 150459028936 244495922021 488991844042 977983688084 1955967376168 2050004269253 4100008538506 8200017077012 16400034154024 26650055500289 53300111000578 106600222001156 213200444002312