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12212453464 = 234951308333
BaseRepresentation
bin10110101111110101…
…10100000001011000
31011112002212220201021
423113322310001120
5200002342002324
65335455132224
7611431066411
oct132772640130
934462786637
1012212453464
1151a7680052
122449b14074
1311c818c333
1483bd22808
154b7239ae4
hex2d7eb4058

12212453464 has 16 divisors (see below), whose sum is σ = 22903049520. Its totient is φ = 6104973600.

The previous prime is 12212453447. The next prime is 12212453467. The reversal of 12212453464 is 46435421221.

12212453464 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 2×122124534642 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212453467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114559 + ... + 193774.

It is an arithmetic number, because the mean of its divisors is an integer number (1431440595).

Almost surely, 212212453464 is an apocalyptic number.

It is an amenable number.

12212453464 is a deficient number, since it is larger than the sum of its proper divisors (10690596056).

12212453464 is a wasteful number, since it uses less digits than its factorization.

12212453464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313290 (or 313286 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 12212453464 its reverse (46435421221), we get a palindrome (58647874685).

The spelling of 12212453464 in words is "twelve billion, two hundred twelve million, four hundred fifty-three thousand, four hundred sixty-four".

Divisors: 1 2 4 8 4951 9902 19804 39608 308333 616666 1233332 2466664 1526556683 3053113366 6106226732 12212453464