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101210031212 = 22196113217849
BaseRepresentation
bin101111001000010010…
…1101000010001101100
3100200020111112022000112
41132100211220101230
53124234231444322
6114254550115152
710212036033203
oct1362045502154
9320214468015
10101210031212
1139a174734a4
121774704bab8
13970c406a44
144c81a4223a
1529755a75e2
hex179096846c

101210031212 has 24 divisors (see below), whose sum is σ = 186470886000. Its totient is φ = 47933531136.

The previous prime is 101210031191. The next prime is 101210031239. The reversal of 101210031212 is 212130012101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355664 + ... + 573512.

It is an arithmetic number, because the mean of its divisors is an integer number (7769620250).

Almost surely, 2101210031212 is an apocalyptic number.

It is an amenable number.

101210031212 is a deficient number, since it is larger than the sum of its proper divisors (85260854788).

101210031212 is a wasteful number, since it uses less digits than its factorization.

101210031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223985 (or 223983 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101210031212 its reverse (212130012101), we get a palindrome (313340043313).

The spelling of 101210031212 in words is "one hundred one billion, two hundred ten million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 6113 12226 24452 116147 217849 232294 435698 464588 871396 4139131 8278262 16556524 1331710937 2663421874 5326843748 25302507803 50605015606 101210031212