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213240111532 = 22722373346591
BaseRepresentation
bin1100011010011000011…
…0011110000110101100
3202101102001220001001121
43012212012132012230
511443203432032112
6241543335350324
721256201020160
oct3064606360654
9671361801047
10213240111532
1182486535a38
12353b18223a4
13171543806b6
14a46c6b0ca0
155830a05407
hex31a619e1ac

213240111532 has 48 divisors (see below), whose sum is σ = 428986335232. Its totient is φ = 90852736320.

The previous prime is 213240111521. The next prime is 213240111559. The reversal of 213240111532 is 235111042312.

It is a junction number, because it is equal to n+sod(n) for n = 213240111497 and 213240111506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4553557 + ... + 4600147.

Almost surely, 2213240111532 is an apocalyptic number.

It is an amenable number.

213240111532 is an abundant number, since it is smaller than the sum of its proper divisors (215746223700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213240111532 is a wasteful number, since it uses less digits than its factorization.

213240111532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47558 (or 47556 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 213240111532 its reverse (235111042312), we get a palindrome (448351153844).

The spelling of 213240111532 in words is "two hundred thirteen billion, two hundred forty million, one hundred eleven thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 223 446 733 892 1466 1561 2932 3122 5131 6244 10262 20524 46591 93182 163459 186364 326137 326918 652274 653836 1144213 1304548 2288426 4576852 10389793 20779586 34151203 41559172 68302406 72728551 136604812 145457102 239058421 290914204 478116842 956233684 7615718269 15231436538 30462873076 53310027883 106620055766 213240111532