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12132515434430 = 251213251543443
BaseRepresentation
bin1011000010001101001001…
…0001011100111110111110
31120221212010212020122202102
42300203102101130332332
53042234342422400210
641445333423425102
72361355020430646
oct260432221347676
946855125218672
1012132515434430
11395840973a066
12143b442a55192
136a0125768b51
142dd307195526
151608dba0cea5
hexb08d245cfbe

12132515434430 has 8 divisors (see below), whose sum is σ = 21838527781992. Its totient is φ = 4853006173768.

The previous prime is 12132515434427. The next prime is 12132515434441. The reversal of 12132515434430 is 3443451523121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606625771712 + ... + 606625771731.

It is an arithmetic number, because the mean of its divisors is an integer number (2729815972749).

Almost surely, 212132515434430 is an apocalyptic number.

12132515434430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12132515434430 is a deficient number, since it is larger than the sum of its proper divisors (9706012347562).

12132515434430 is a wasteful number, since it uses less digits than its factorization.

12132515434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213251543450.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 12132515434430 its reverse (3443451523121), we get a palindrome (15575966957551).

The spelling of 12132515434430 in words is "twelve trillion, one hundred thirty-two billion, five hundred fifteen million, four hundred thirty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 1213251543443 2426503086886 6066257717215 12132515434430