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12424624134220 = 2251633811234397
BaseRepresentation
bin1011010011001101010101…
…0011101101100001001100
31121222210010102022002200101
42310303111103231201030
53112031112234243340
642231443222540444
72421435524421214
oct264632523554114
947883112262611
1012424624134220
113a60287461751
121487b85597724
136c1838722c3c
1430d4d8247244
151682d64e3c9a
hexb4cd54ed84c

12424624134220 has 24 divisors (see below), whose sum is σ = 26251782533424. Its totient is φ = 4939359777216.

The previous prime is 12424624134211. The next prime is 12424624134227. The reversal of 12424624134220 is 2243142642421.

12424624134220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12424624134220.

It is not an unprimeable number, because it can be changed into a prime (12424624134227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905613939 + ... + 1905620458.

It is an arithmetic number, because the mean of its divisors is an integer number (1093824272226).

Almost surely, 212424624134220 is an apocalyptic number.

12424624134220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12424624134220 is an abundant number, since it is smaller than the sum of its proper divisors (13827158399204).

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

12424624134220 is a wasteful number, since it uses less digits than its factorization.

12424624134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811234569 (or 3811234567 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 12424624134220 its reverse (2243142642421), we get a palindrome (14667766776641).

The spelling of 12424624134220 in words is "twelve trillion, four hundred twenty-four billion, six hundred twenty-four million, one hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 3811234397 7622468794 15244937588 19056171985 38112343970 76224687940 621231206711 1242462413422 2484924826844 3106156033555 6212312067110 12424624134220