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12306071084440 = 235783529521131
BaseRepresentation
bin1011001100010011101011…
…1111101101110110011000
31121120110010020211011201211
42303010322333231312120
53103110313144200230
642101155255352504
72410040625214450
oct263047277556630
947513106734654
1012306071084440
113a14a80343761
121468bba382734
136b35c4245543
1430788d154d60
151651985a942a
hexb313afedd98

12306071084440 has 64 divisors (see below), whose sum is σ = 32025438063360. Its totient is φ = 4168390335360.

The previous prime is 12306071084431. The next prime is 12306071084513. The reversal of 12306071084440 is 4448017060321.

It is a super-2 number, since 2×123060710844402 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 12306071084393 and 12306071084402.

It is a congruent number.

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, 264737326 + ... + 264783805.

It is an arithmetic number, because the mean of its divisors is an integer number (500397469740).

Almost surely, 212306071084440 is an apocalyptic number.

12306071084440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12306071084440 is an abundant number, since it is smaller than the sum of its proper divisors (19719366978920).

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

12306071084440 is a wasteful number, since it uses less digits than its factorization.

12306071084440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529521232 (or 529521228 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 12306071084440 in words is "twelve trillion, three hundred six billion, seventy-one million, eighty-four thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 83 140 166 280 332 415 581 664 830 1162 1660 2324 2905 3320 4648 5810 11620 23240 529521131 1059042262 2118084524 2647605655 3706647917 4236169048 5295211310 7413295834 10590422620 14826591668 18533239585 21180845240 29653183336 37066479170 43950253873 74132958340 87900507746 148265916680 175801015492 219751269365 307651777111 351602030984 439502538730 615303554222 879005077460 1230607108444 1538258885555 1758010154920 2461214216888 3076517771110 6153035542220 12306071084440