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212089719586 = 2176237932929
BaseRepresentation
bin1100010110000110001…
…0000100101100100010
3202021102220020001222111
43011201202010230202
511433324432011321
6241233242425534
721215531604613
oct3054142045442
9667386201874
10212089719586
1181a46132498
12351305022aa
1316cccc380c4
14a39d9b5c0a
1557b4a185e1
hex3161884b22

212089719586 has 8 divisors (see below), whose sum is σ = 336848378220. Its totient is φ = 99806926848.

The previous prime is 212089719581. The next prime is 212089719587. The reversal of 212089719586 is 685917980212.

It can be written as a sum of positive squares in 2 ways, for example, as 166280450625 + 45809268961 = 407775^2 + 214031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2120897195862 (a number of 23 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 212089719586.

It is not an unprimeable number, because it can be changed into a prime (212089719581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118966431 + ... + 3118966498.

Almost surely, 2212089719586 is an apocalyptic number.

212089719586 is a deficient number, since it is larger than the sum of its proper divisors (124758658634).

212089719586 is a wasteful number, since it uses less digits than its factorization.

212089719586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237932948.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 212089719586 in words is "two hundred twelve billion, eighty-nine million, seven hundred nineteen thousand, five hundred eighty-six".

Divisors: 1 2 17 34 6237932929 12475865858 106044859793 212089719586