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12715486461172 = 22113496311312277
BaseRepresentation
bin1011100100001000111000…
…0011011011110011110100
31200000120220010002020111101
42321002032003123303310
53131312304013224142
643013225220015444
72451443415413425
oct271021603336364
950016803066441
1012715486461172
114062675684a40
12151441a831584
137130b03ca401
1431d60b97764c
15170b5b87e0b7
hexb908e0dbcf4

12715486461172 has 48 divisors (see below), whose sum is σ = 24383175062400. Its totient is φ = 5754067804800.

The previous prime is 12715486461133. The next prime is 12715486461173. The reversal of 12715486461172 is 27116468451721.

12715486461172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×127154864611722 (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12715486461173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9033498 + ... + 10345774.

It is an arithmetic number, because the mean of its divisors is an integer number (507982813800).

Almost surely, 212715486461172 is an apocalyptic number.

It is an amenable number.

12715486461172 is a deficient number, since it is larger than the sum of its proper divisors (11667688601228).

12715486461172 is a wasteful number, since it uses less digits than its factorization.

12715486461172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313272 (or 1313270 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 55.

The spelling of 12715486461172 in words is "twelve trillion, seven hundred fifteen billion, four hundred eighty-six million, four hundred sixty-one thousand, one hundred seventy-two".

Divisors: 1 2 4 11 22 44 349 631 698 1262 1396 2524 3839 6941 7678 13882 15356 27764 220219 440438 880876 1312277 2422409 2624554 4844818 5249108 9689636 14435047 28870094 57740188 457984673 828046787 915969346 1656093574 1831938692 3312187148 5037831403 9108514657 10075662806 18217029314 20151325612 36434058628 288988328663 577976657326 1155953314652 3178871615293 6357743230586 12715486461172