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12302020230 = 23517922310273
BaseRepresentation
bin10110111010100000…
…11110111010000110
31011202100102101012220
423131100132322012
5200143304121410
65352414553210
7613566306123
oct133520367206
934670371186
1012302020230
115243195975
122473b08806
1312108bc016
14849b9974a
154c002d070
hex2dd41ee86

12302020230 has 64 divisors (see below), whose sum is σ = 29825832960. Its totient is φ = 3247266816.

The previous prime is 12302020187. The next prime is 12302020249. The reversal of 12302020230 is 3202020321.

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

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, 1192374 + ... + 1202646.

It is an arithmetic number, because the mean of its divisors is an integer number (466028640).

Almost surely, 212302020230 is an apocalyptic number.

12302020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12302020230 is an abundant number, since it is smaller than the sum of its proper divisors (17523812730).

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

12302020230 is a wasteful number, since it uses less digits than its factorization.

12302020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12302020230 its reverse (3202020321), we get a palindrome (15504040551).

Subtracting from 12302020230 its reverse (3202020321), we obtain a palindrome (9099999909).

The spelling of 12302020230 in words is "twelve billion, three hundred two million, twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 179 223 358 446 537 669 895 1074 1115 1338 1790 2230 2685 3345 5370 6690 10273 20546 30819 39917 51365 61638 79834 102730 119751 154095 199585 239502 308190 399170 598755 1197510 1838867 2290879 3677734 4581758 5516601 6872637 9194335 11033202 11454395 13745274 18388670 22908790 27583005 34363185 55166010 68726370 410067341 820134682 1230202023 2050336705 2460404046 4100673410 6151010115 12302020230