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212011323134 = 21317761630307
BaseRepresentation
bin1100010101110011011…
…1000000111011111110
3202021020102201010021012
43011130313000323332
511433144344320014
6241221402235222
721213560340542
oct3053467007376
9667212633235
10212011323134
1181a05957036
123510a1b5b12
1316cb9919880
14a393409a22
1557acbcec3e
hex315cdc0efe

212011323134 has 32 divisors (see below), whose sum is σ = 363102790176. Its totient is φ = 91974251520.

The previous prime is 212011323133. The next prime is 212011323179. The reversal of 212011323134 is 431323110212.

It is a super-2 number, since 2×2120113231342 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011323131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21209 + ... + 651515.

It is an arithmetic number, because the mean of its divisors is an integer number (11346962193).

Almost surely, 2212011323134 is an apocalyptic number.

212011323134 is a deficient number, since it is larger than the sum of its proper divisors (151091467042).

212011323134 is a wasteful number, since it uses less digits than its factorization.

212011323134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631100.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212011323134 its reverse (431323110212), we get a palindrome (643334433346).

The spelling of 212011323134 in words is "two hundred twelve billion, eleven million, three hundred twenty-three thousand, one hundred thirty-four".

Divisors: 1 2 13 17 26 34 221 442 761 1522 9893 12937 19786 25874 168181 336362 630307 1260614 8193991 10715219 16387982 21430438 139297847 278595694 479663627 959327254 6235627151 8154281659 12471254302 16308563318 106005661567 212011323134