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12230233320 = 2335791290109
BaseRepresentation
bin10110110001111101…
…01000110011101000
31011120100100020002110
423120332220303220
5200021414431240
65341332202320
7612035160624
oct133076506350
934510306073
1012230233320
115206714348
122453a693a0
1311cba76066
14840430184
154b8a9cc80
hex2d8fa8ce8

12230233320 has 64 divisors (see below), whose sum is σ = 37155168000. Its totient is φ = 3220109568.

The previous prime is 12230233303. The next prime is 12230233343. The reversal of 12230233320 is 2333203221.

It is a super-3 number, since 3×122302333203 (a number of 31 digits) contains 333 as substring.

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, 635575 + ... + 654534.

It is an arithmetic number, because the mean of its divisors is an integer number (580549500).

Almost surely, 212230233320 is an apocalyptic number.

12230233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230233320 is an abundant number, since it is smaller than the sum of its proper divisors (24924934680).

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

12230233320 is a wasteful number, since it uses less digits than its factorization.

12230233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290202 (or 1290198 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 12230233320 its reverse (2333203221), we get a palindrome (14563436541).

The spelling of 12230233320 in words is "twelve billion, two hundred thirty million, two hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 79 120 158 237 316 395 474 632 790 948 1185 1580 1896 2370 3160 4740 9480 1290109 2580218 3870327 5160436 6450545 7740654 10320872 12901090 15481308 19351635 25802180 30962616 38703270 51604360 77406540 101918611 154813080 203837222 305755833 407674444 509593055 611511666 815348888 1019186110 1223023332 1528779165 2038372220 2446046664 3057558330 4076744440 6115116660 12230233320