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21333233132130 = 23523147412097397
BaseRepresentation
bin1001101100111000001111…
…10010000110001001100010
32210112102210200210222202110
410312130013302012021202
510244010430140212010
6113212204011100150
74331163255454323
oct466340762061142
983472720728673
1021333233132130
116885411a46287
122486634741656
13bb993b5425aa
1453a7693c244a
1526edd667a120
hex136707c86262

21333233132130 has 64 divisors (see below), whose sum is σ = 53429485794048. Its totient is φ = 5441148599040.

The previous prime is 21333233132077. The next prime is 21333233132147. The reversal of 21333233132130 is 3123133233312.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9122592 + ... + 11219988.

It is an arithmetic number, because the mean of its divisors is an integer number (834835715532).

Almost surely, 221333233132130 is an apocalyptic number.

21333233132130 is an abundant number, since it is smaller than the sum of its proper divisors (32096252661918).

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

21333233132130 is a wasteful number, since it uses less digits than its factorization.

21333233132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112171.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 21333233132130 its reverse (3123133233312), we get a palindrome (24456366365442).

The spelling of 21333233132130 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred thirty-three million, one hundred thirty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 14741 29482 44223 73705 88446 147410 221115 339043 442230 678086 1017129 1695215 2034258 2097397 3390430 4194794 5085645 6292191 10171290 10486985 12584382 20973970 31460955 48240131 62921910 96480262 144720393 241200655 289440786 482401310 723601965 1447203930 30917729177 61835458354 92753187531 154588645885 185506375062 309177291770 463765937655 711107771071 927531875310 1422215542142 2133323313213 3555538855355 4266646626426 7111077710710 10666616566065 21333233132130