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231212202312332 = 22971147140468663
BaseRepresentation
bin110100100100100101001001…
…001011111100001010001100
31010022122200002220211121201202
4310210211021023330022030
5220301140042242443312
62135425230331125032
766462346625451503
oct6444451113741214
91108580086747652
10231212202312332
11677425a957433a
1221b225828a3778
139c022a9034287
144114a31d3b83a
151bae55ee389c2
hexd249492fc28c

231212202312332 has 24 divisors (see below), whose sum is σ = 405313418668032. Its totient is φ = 115408530291600.

The previous prime is 231212202312319. The next prime is 231212202312347. The reversal of 231212202312332 is 233213202212132.

It is a junction number, because it is equal to n+sod(n) for n = 231212202312295 and 231212202312304.

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, 14520968 + ... + 25947695.

It is an arithmetic number, because the mean of its divisors is an integer number (16888059111168).

Almost surely, 2231212202312332 is an apocalyptic number.

It is an amenable number.

231212202312332 is a deficient number, since it is larger than the sum of its proper divisors (174101216355700).

231212202312332 is a wasteful number, since it uses less digits than its factorization.

231212202312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40471109 (or 40471107 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 231212202312332 its reverse (233213202212132), we get a palindrome (464425404524464).

The spelling of 231212202312332 in words is "two hundred thirty-one trillion, two hundred twelve billion, two hundred two million, three hundred twelve thousand, three hundred thirty-two".

Divisors: 1 2 4 971 1471 1942 2942 3884 5884 1428341 2856682 5713364 40468663 80937326 161874652 39295071773 59529403273 78590143546 119058806546 157180287092 238117613092 57803050578083 115606101156166 231212202312332