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213030001332 = 22327577817041
BaseRepresentation
bin1100011001100110010…
…0111101101010110100
3202100212102112100001100
43012121210331222310
511442241140020312
6241510432130100
721251040064041
oct3063144755264
9670772470040
10213030001332
1182388978045
1235353396930
131711c996635
14a44c81a1c8
15581c3505dc
hex319993dab4

213030001332 has 36 divisors (see below), whose sum is σ = 539203923076. Its totient is φ = 70916186880.

The previous prime is 213030001321. The next prime is 213030001411. The reversal of 213030001332 is 233100030312.

213030001332 is a `hidden beast` number, since 2 + 1 + 30 + 300 + 0 + 1 + 332 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 140418076176 + 72611925156 = 374724^2 + 269466^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3881269 + ... + 3935772.

Almost surely, 2213030001332 is an apocalyptic number.

It is an amenable number.

213030001332 is an abundant number, since it is smaller than the sum of its proper divisors (326173921744).

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

213030001332 is a wasteful number, since it uses less digits than its factorization.

213030001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817808 (or 7817803 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 213030001332 its reverse (233100030312), we get a palindrome (446130031644).

The spelling of 213030001332 in words is "two hundred thirteen billion, thirty million, one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 757 1514 2271 3028 4542 6813 9084 13626 27252 7817041 15634082 23451123 31268164 46902246 70353369 93804492 140706738 281413476 5917500037 11835000074 17752500111 23670000148 35505000222 53257500333 71010000444 106515000666 213030001332