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212201211030 = 23523893455483
BaseRepresentation
bin1100010110100000101…
…1011000010010010110
3202021201200000102111020
43011220023120102112
511434042002223110
6241252304222010
721221354350554
oct3055013302226
9667650012436
10212201211030
1181aa3062686
123516190a906
131701a073283
14a3b0718bd4
1557be6dcd70
hex31682d8496

212201211030 has 64 divisors (see below), whose sum is σ = 537396871680. Its totient is φ = 53518505216.

The previous prime is 212201211011. The next prime is 212201211049. The reversal of 212201211030 is 30112102212.

It is an interprime number because it is at equal distance from previous prime (212201211011) and next prime (212201211049).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1666332 + ... + 1789151.

It is an arithmetic number, because the mean of its divisors is an integer number (8396826120).

Almost surely, 2212201211030 is an apocalyptic number.

212201211030 is an abundant number, since it is smaller than the sum of its proper divisors (325195660650).

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

212201211030 is a wasteful number, since it uses less digits than its factorization.

212201211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455605.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212201211030 its reverse (30112102212), we get a palindrome (242313313242).

The spelling of 212201211030 in words is "two hundred twelve billion, two hundred one million, two hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 89 115 138 178 230 267 345 445 534 690 890 1335 2047 2670 4094 6141 10235 12282 20470 30705 61410 3455483 6910966 10366449 17277415 20732898 34554830 51832245 79476109 103664490 158952218 238428327 307537987 397380545 476856654 615075974 794761090 922613961 1192141635 1537689935 1845227922 2384283270 3075379870 4613069805 7073373701 9226139610 14146747402 21220121103 35366868505 42440242206 70733737010 106100605515 212201211030