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213012031032 = 233219155710549
BaseRepresentation
bin1100011001100010000…
…0011010011000111000
3202100211011201100102200
43012120200122120320
511442222034443112
6241504551030200
721250431250353
oct3063040323070
9670734640380
10213012031032
1182379813759
123534936b360
1317119044018
14a44a29d29a
15581a9a0cdc
hex319881a638

213012031032 has 48 divisors (see below), whose sum is σ = 607271145000. Its totient is φ = 67266956736.

The previous prime is 213012030961. The next prime is 213012031069. The reversal of 213012031032 is 230130210312.

213012031032 is a `hidden beast` number, since 2 + 1 + 301 + 20 + 310 + 32 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 213012030996 and 213012031014.

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, 77853907 + ... + 77856642.

Almost surely, 2213012031032 is an apocalyptic number.

It is an amenable number.

213012031032 is an abundant number, since it is smaller than the sum of its proper divisors (394259113968).

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

213012031032 is a wasteful number, since it uses less digits than its factorization.

213012031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155710580 (or 155710573 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213012031032 its reverse (230130210312), we get a palindrome (443142241344).

The spelling of 213012031032 in words is "two hundred thirteen billion, twelve million, thirty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 155710549 311421098 467131647 622842196 934263294 1245684392 1401394941 1868526588 2802789882 2958500431 3737053176 5605579764 5917000862 8875501293 11211159528 11834001724 17751002586 23668003448 26626503879 35502005172 53253007758 71004010344 106506015516 213012031032