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12308406646530 = 2351877218582963
BaseRepresentation
bin1011001100011100011000…
…1101001011011100000010
31121120200011000121000121110
42303013012031023130002
53103130104100142110
642102223130504150
72410152535161411
oct263070615133402
947520130530543
1012308406646530
113a15a69744065
121469550595056
136b38a708c247
14307a313dd478
15165283652a20
hexb31c634b702

12308406646530 has 32 divisors (see below), whose sum is σ = 29555914060224. Its totient is φ = 3280493093696.

The previous prime is 12308406646517. The next prime is 12308406646577. The reversal of 12308406646530 is 3564660480321.

It is a super-2 number, since 2×123084066465302 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12308406646530.

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, 109235172 + ... + 109347791.

It is an arithmetic number, because the mean of its divisors is an integer number (923622314382).

Almost surely, 212308406646530 is an apocalyptic number.

12308406646530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12308406646530 is an abundant number, since it is smaller than the sum of its proper divisors (17247507413694).

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

12308406646530 is a wasteful number, since it uses less digits than its factorization.

12308406646530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218584850.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 12308406646530 in words is "twelve trillion, three hundred eight billion, four hundred six million, six hundred forty-six thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1877 3754 5631 9385 11262 18770 28155 56310 218582963 437165926 655748889 1092914815 1311497778 2185829630 3278744445 6557488890 410280221551 820560443102 1230840664653 2051401107755 2461681329306 4102802215510 6154203323265 12308406646530