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23213133212000 = 255311235167661
BaseRepresentation
bin1010100011100101110101…
…00011110010100101100000
310001012011011011110202120112
411101302322203302211200
511020310444100241000
6121211544410030452
74614044036466554
oct521627243624540
9101164134422515
1023213133212000
11743a6a8595526
12272aa3b418428
13cc4cb1ca6264
145a3743559864
152a3c60a16235
hex151cba8f2960

23213133212000 has 96 divisors (see below), whose sum is σ = 57085467120864. Its totient is φ = 9276983232000.

The previous prime is 23213133211979. The next prime is 23213133212053. The reversal of 23213133212000 is 21233131232.

It is a congruent number.

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, 1908170 + ... + 7075830.

It is an arithmetic number, because the mean of its divisors is an integer number (594640282509).

Almost surely, 223213133212000 is an apocalyptic number.

23213133212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23213133212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28542733560432).

23213133212000 is an abundant number, since it is smaller than the sum of its proper divisors (33872333908864).

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

23213133212000 is a wasteful number, since it uses less digits than its factorization.

23213133212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168809 (or 5168791 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23213133212000 its reverse (21233131232), we get a palindrome (23234366343232).

The spelling of 23213133212000 in words is "twenty-three trillion, two hundred thirteen billion, one hundred thirty-three million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 1123 2000 2246 4000 4492 5615 8984 11230 17968 22460 28075 35936 44920 56150 89840 112300 140375 179680 224600 280750 449200 561500 898400 1123000 2246000 4492000 5167661 10335322 20670644 25838305 41341288 51676610 82682576 103353220 129191525 165365152 206706440 258383050 413412880 516766100 645957625 826825760 1033532200 1291915250 2067064400 2583830500 4134128800 5167661000 5803283303 10335322000 11606566606 20670644000 23213133212 29016416515 46426266424 58032833030 92852532848 116065666060 145082082575 185705065696 232131332120 290164165150 464262664240 580328330300 725410412875 928525328480 1160656660600 1450820825750 2321313321200 2901641651500 4642626642400 5803283303000 11606566606000 23213133212000