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12430286368 = 251656723447
BaseRepresentation
bin10111001001110011…
…10001111000100000
31012002021202222021121
423210321301320200
5200424123130433
65413240102024
7620014455643
oct134471617040
935067688247
1012430286368
1152a9633145
1224aaa64914
13123134b546
1485cc27a5a
154cb417c2d
hex2e4e71e20

12430286368 has 24 divisors (see below), whose sum is σ = 24474647232. Its totient is φ = 6214502976.

The previous prime is 12430286353. The next prime is 12430286369. The reversal of 12430286368 is 86368203421.

It is not an unprimeable number, because it can be changed into a prime (12430286369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518421 + ... + 541867.

It is an arithmetic number, because the mean of its divisors is an integer number (1019776968).

Almost surely, 212430286368 is an apocalyptic number.

It is an amenable number.

12430286368 is a deficient number, since it is larger than the sum of its proper divisors (12044360864).

12430286368 is a wasteful number, since it uses less digits than its factorization.

12430286368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40024 (or 40016 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

Adding to 12430286368 its reverse (86368203421), we get a palindrome (98798489789).

The spelling of 12430286368 in words is "twelve billion, four hundred thirty million, two hundred eighty-six thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 16567 23447 33134 46894 66268 93788 132536 187576 265072 375152 530144 750304 388446449 776892898 1553785796 3107571592 6215143184 12430286368