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212807180384 = 2519991136683
BaseRepresentation
bin1100011000110001001…
…0111110000001100000
3202100021220020212011122
43012030102332001200
511441312114233014
6241432352231412
721242363121221
oct3061422760140
9670256225148
10212807180384
11822841183a7
12352b083b568
13170b577bc16
14a42adb7248
1558079d958e
hex318c4be060

212807180384 has 48 divisors (see below), whose sum is σ = 421543180800. Its totient is φ = 105749804160.

The previous prime is 212807180317. The next prime is 212807180491. The reversal of 212807180384 is 483081708212.

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, 5782907 + ... + 5819589.

It is an arithmetic number, because the mean of its divisors is an integer number (8782149600).

Almost surely, 2212807180384 is an apocalyptic number.

It is an amenable number.

212807180384 is a deficient number, since it is larger than the sum of its proper divisors (208736000416).

212807180384 is a wasteful number, since it uses less digits than its factorization.

212807180384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37803 (or 37795 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

Adding to 212807180384 its reverse (483081708212), we get a palindrome (695888888596).

The spelling of 212807180384 in words is "two hundred twelve billion, eight hundred seven million, one hundred eighty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 199 398 796 911 1592 1822 3184 3644 6368 7288 14576 29152 36683 73366 146732 181289 293464 362578 586928 725156 1173856 1450312 2900624 5801248 7299917 14599834 29199668 33418213 58399336 66836426 116798672 133672852 233597344 267345704 534691408 1069382816 6650224387 13300448774 26600897548 53201795096 106403590192 212807180384