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12302230030 = 2517231353389
BaseRepresentation
bin10110111010100010…
…10010001000001110
31011202100211001000021
423131101102020032
5200143332330110
65352423252354
7613601141566
oct133521221016
934670731007
1012302230030
115243319562
122473baa0ba
13121096366c
14849c11da6
154c00702da
hex2dd45220e

12302230030 has 96 divisors (see below), whose sum is σ = 24413425920. Its totient is φ = 4457840640.

The previous prime is 12302230019. The next prime is 12302230033. The reversal of 12302230030 is 3003220321.

It is a super-3 number, since 3×123022300303 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12302229986 and 12302230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302230033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31625076 + ... + 31625464.

It is an arithmetic number, because the mean of its divisors is an integer number (254306520).

Almost surely, 212302230030 is an apocalyptic number.

12302230030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12302230030 is a deficient number, since it is larger than the sum of its proper divisors (12111195890).

12302230030 is a wasteful number, since it uses less digits than its factorization.

12302230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 12302230030 its reverse (3003220321), we get a palindrome (15305450351).

The spelling of 12302230030 in words is "twelve billion, three hundred two million, two hundred thirty thousand, thirty".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 289 310 353 389 527 578 706 778 1054 1445 1765 1945 2635 2890 3530 3890 5270 6001 6613 8959 10943 12002 12059 13226 17918 21886 24118 30005 33065 44795 54715 60010 60295 66130 89590 102017 109430 112421 120590 137317 186031 204034 205003 224842 274634 372062 410006 510085 562105 686585 930155 1020170 1025015 1124210 1373170 1860310 2050030 2334389 3162527 3485051 4256827 4668778 6325054 6970102 8513654 11671945 15812635 17425255 21284135 23343890 31625270 34850510 39684613 42568270 72366059 79369226 144732118 198423065 361830295 396846130 723660590 1230223003 2460446006 6151115015 12302230030