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212212232300 = 22522122122323
BaseRepresentation
bin1100010110100011010…
…1011011000001101100
3202021202102202100211102
43011220311123001230
511434102312413200
6241253340342232
721221550132545
oct3055065330154
9667672670742
10212212232300
1181aa9300072
1235165544978
131701c431933
14a3b1d874cc
1557c06686d5
hex3168d5b06c

212212232300 has 18 divisors (see below), whose sum is σ = 460500544308. Its totient is φ = 84884892880.

The previous prime is 212212232291. The next prime is 212212232327. The reversal of 212212232300 is 3232212212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061061062 + ... + 1061061261.

Almost surely, 2212212232300 is an apocalyptic number.

212212232300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212232300 is an abundant number, since it is smaller than the sum of its proper divisors (248288312008).

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

212212232300 is a wasteful number, since it uses less digits than its factorization.

212212232300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122122337 (or 2122122330 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212212232300 its reverse (3232212212), we get a palindrome (215444444512).

The spelling of 212212232300 in words is "two hundred twelve billion, two hundred twelve million, two hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2122122323 4244244646 8488489292 10610611615 21221223230 42442446460 53053058075 106106116150 212212232300