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212231130302 = 2293727981797
BaseRepresentation
bin1100010110100111110…
…1100000110010111110
3202021210202022111000102
43011221331200302332
511434122132132202
6241255253401102
721222166562012
oct3055175406276
9667722274012
10212231130302
1182008a38454
123516b939192
131702331a599
14a3b46a6542
1557c214cd02
hex3169f60cbe

212231130302 has 16 divisors (see below), whose sum is σ = 329412864960. Its totient is φ = 102428813088.

The previous prime is 212231130301. The next prime is 212231130311. The reversal of 212231130302 is 203031132212.

It is a super-2 number, since 2×2122311303022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212231130301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274733 + ... + 707064.

It is an arithmetic number, because the mean of its divisors is an integer number (20588304060).

Almost surely, 2212231130302 is an apocalyptic number.

212231130302 is a deficient number, since it is larger than the sum of its proper divisors (117181734658).

212231130302 is a wasteful number, since it uses less digits than its factorization.

212231130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985555.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212231130302 its reverse (203031132212), we get a palindrome (415262262514).

The spelling of 212231130302 in words is "two hundred twelve billion, two hundred thirty-one million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 29 58 3727 7454 108083 216166 981797 1963594 28472113 56944226 3659157419 7318314838 106115565151 212231130302