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213444051251412 = 223312438512352971
BaseRepresentation
bin110000100010000001010000…
…110110101011000011010100
31000222202001101220220101111210
4300202001100312223003110
5210434031404110021122
62033542502105301420
762646552365413512
oct6042012066530324
91028661356811453
10213444051251412
1162012128502643
121bb32a78a94870
1392138c2a62467
143a9ca664714b2
1519a228260240c
hexc22050dab0d4

213444051251412 has 48 divisors (see below), whose sum is σ = 514104127617024. Its totient is φ = 68852608140000.

The previous prime is 213444051251411. The next prime is 213444051251513. The reversal of 213444051251412 is 214152150444312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213444051251411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89536087 + ... + 91889057.

It is an arithmetic number, because the mean of its divisors is an integer number (10710502658688).

Almost surely, 2213444051251412 is an apocalyptic number.

It is an amenable number.

213444051251412 is an abundant number, since it is smaller than the sum of its proper divisors (300660076365612).

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

213444051251412 is a wasteful number, since it uses less digits than its factorization.

213444051251412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596860 (or 2596858 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 213444051251412 in words is "two hundred thirteen trillion, four hundred forty-four billion, fifty-one million, two hundred fifty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 243851 487702 731553 975404 1463106 2352971 2926212 4705942 7058913 7559381 9411884 14117826 15118762 22678143 28235652 30237524 45356286 72942101 90712572 145884202 218826303 291768404 437652606 875305212 573774331321 1147548662642 1721322993963 2295097325284 3442645987926 6885291975852 17787004270951 35574008541902 53361012812853 71148017083804 106722025625706 213444051251412