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212003312130 = 232523102417059
BaseRepresentation
bin1100010101110001100…
…0011101001000000010
3202021012212122010020100
43011130120131020002
511433140321442010
6241220514423230
721213432264051
oct3053430351002
9667185563210
10212003312130
1181a01385275
1235107591b16
1316cb807342c
14a392322398
1557ac14b2c0
hex315c61d202

212003312130 has 48 divisors (see below), whose sum is σ = 575174208960. Its totient is φ = 54076206624.

The previous prime is 212003312119. The next prime is 212003312141. The reversal of 212003312130 is 31213300212.

212003312130 is a `hidden beast` number, since 2 + 1 + 200 + 331 + 2 + 130 = 666.

It is an interprime number because it is at equal distance from previous prime (212003312119) and next prime (212003312141).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51206460 + ... + 51210599.

It is an arithmetic number, because the mean of its divisors is an integer number (11982796020).

Almost surely, 2212003312130 is an apocalyptic number.

212003312130 is an abundant number, since it is smaller than the sum of its proper divisors (363170896830).

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

212003312130 is a wasteful number, since it uses less digits than its factorization.

212003312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102417095 (or 102417092 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212003312130 its reverse (31213300212), we get a palindrome (243216612342).

The spelling of 212003312130 in words is "two hundred twelve billion, three million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 102417059 204834118 307251177 512085295 614502354 921753531 1024170590 1536255885 1843507062 2355592357 3072511770 4608767655 4711184714 7066777071 9217535310 11777961785 14133554142 21200331213 23555923570 35333885355 42400662426 70667770710 106001656065 212003312130