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12207207516 = 2237261340337
BaseRepresentation
bin10110101111001101…
…10011010001011100
31011111202000101121220
423113212303101130
5200000021120031
65335150453340
7611335360200
oct132746632134
934452011556
1012207207516
1151a4717759
122448204250
1311c707361a
1483b358b00
154b6a50596
hex2d79b345c

12207207516 has 72 divisors (see below), whose sum is σ = 33677125776. Its totient is φ = 3430586880.

The previous prime is 12207207421. The next prime is 12207207569. The reversal of 12207207516 is 61570270221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134301 + ... + 206036.

It is an arithmetic number, because the mean of its divisors is an integer number (467737858).

Almost surely, 212207207516 is an apocalyptic number.

It is an amenable number.

12207207516 is an abundant number, since it is smaller than the sum of its proper divisors (21469918260).

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

12207207516 is a wasteful number, since it uses less digits than its factorization.

12207207516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340419 (or 340410 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 12207207516 its reverse (61570270221), we get a palindrome (73777477737).

The spelling of 12207207516 in words is "twelve billion, two hundred seven million, two hundred seven thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 61 84 98 122 147 183 196 244 294 366 427 588 732 854 1281 1708 2562 2989 5124 5978 8967 11956 17934 35868 340337 680674 1021011 1361348 2042022 2382359 4084044 4764718 7147077 9529436 14294154 16676513 20760557 28588308 33353026 41521114 50029539 62281671 66706052 83042228 100059078 124563342 145323899 200118156 249126684 290647798 435971697 581295596 871943394 1017267293 1743886788 2034534586 3051801879 4069069172 6103603758 12207207516