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13140021442245 = 351208297249927
BaseRepresentation
bin1011111100110110011001…
…0011110111011011000101
31201112011200200112210020220
42333031212103313123011
53210241230442122440
643540235330014553
72524222660254465
oct277154623673305
951464620483226
1013140021442245
1142067195a97a5
12158275a717459
13744138b17119
14335da2435ba5
1517bc071e18d0
hexbf3664f76c5

13140021442245 has 16 divisors (see below), whose sum is σ = 21024211205760. Its totient is φ = 7007952469824.

The previous prime is 13140021442193. The next prime is 13140021442253. The reversal of 13140021442245 is 54224412004131.

It is not a de Polignac number, because 13140021442245 - 26 = 13140021442181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812529 + ... + 5437398.

It is an arithmetic number, because the mean of its divisors is an integer number (1314013200360).

Almost surely, 213140021442245 is an apocalyptic number.

13140021442245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13140021442245 is a deficient number, since it is larger than the sum of its proper divisors (7884189763515).

13140021442245 is a wasteful number, since it uses less digits than its factorization.

13140021442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370764.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 13140021442245 its reverse (54224412004131), we get a palindrome (67364433446376).

The spelling of 13140021442245 in words is "thirteen trillion, one hundred forty billion, twenty-one million, four hundred forty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 120829 362487 604145 1812435 7249927 21749781 36249635 108748905 876001429483 2628004288449 4380007147415 13140021442245