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213120112112 = 24167251317771
BaseRepresentation
bin1100011001111011110…
…0101101010111110000
3202101002201002102210122
43012132330231113300
511442432222041422
6241523411345412
721253213030505
oct3063674552760
9671081072718
10213120112112
1182424824666
12353795b2268
1317135556b1b
14a45a7954ac
1558251eed42
hex319ef2d5f0

213120112112 has 40 divisors (see below), whose sum is σ = 417049057152. Its totient is φ = 105499640000.

The previous prime is 213120112109. The next prime is 213120112141. The reversal of 213120112112 is 211211021312.

It is a happy number.

It is a congruent number.

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, 511787 + ... + 829557.

Almost surely, 2213120112112 is an apocalyptic number.

It is an amenable number.

213120112112 is a deficient number, since it is larger than the sum of its proper divisors (203928945040).

213120112112 is a wasteful number, since it uses less digits than its factorization.

213120112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318197 (or 318191 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 213120112112 its reverse (211211021312), we get a palindrome (424331133424).

The spelling of 213120112112 in words is "two hundred thirteen billion, one hundred twenty million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 167 251 334 502 668 1004 1336 2008 2672 4016 41917 83834 167668 317771 335336 635542 670672 1271084 2542168 5084336 53067757 79760521 106135514 159521042 212271028 319042084 424542056 638084168 849084112 1276168336 13320007007 26640014014 53280028028 106560056056 213120112112