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12206457464 = 231525807183
BaseRepresentation
bin10110101111000111…
…11100001001111000
31011111200121021202012
423113203330021320
5144444323114324
65335122425052
7611326114355
oct132743741170
934450537665
1012206457464
1151a4255183
122447b02188
1311c6b700c6
1483b20162c
154b695320e
hex2d78fc278

12206457464 has 8 divisors (see below), whose sum is σ = 22887107760. Its totient is φ = 6103228728.

The previous prime is 12206457449. The next prime is 12206457481. The reversal of 12206457464 is 46475460221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×122064574642 (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 762903584 + ... + 762903599.

It is an arithmetic number, because the mean of its divisors is an integer number (2860888470).

Almost surely, 212206457464 is an apocalyptic number.

It is an amenable number.

12206457464 is a deficient number, since it is larger than the sum of its proper divisors (10680650296).

12206457464 is a wasteful number, since it uses less digits than its factorization.

12206457464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525807189 (or 1525807185 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 12206457464 in words is "twelve billion, two hundred six million, four hundred fifty-seven thousand, four hundred sixty-four".

Divisors: 1 2 4 8 1525807183 3051614366 6103228732 12206457464