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12919337952437 = 722910784969371
BaseRepresentation
bin1011110000000000010010…
…0011001010010010110101
31200202002001212121221202102
42330000010203022102311
53143132301003434222
643251021212551445
72502251144455100
oct274000443122265
950662055557672
1012919337952437
114131073516574
121547a30182585
13729399641aa7
14329429391737
151760dcee0d92
hexbc0048ca4b5

12919337952437 has 24 divisors (see below), whose sum is σ = 15692143620960. Its totient is φ = 10591941786720.

The previous prime is 12919337952377. The next prime is 12919337952491. The reversal of 12919337952437 is 73425973391921.

It is not a de Polignac number, because 12919337952437 - 228 = 12919069516981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919337952137) 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 23 ways as a sum of consecutive naturals, for example, 42332639 + ... + 42636732.

It is an arithmetic number, because the mean of its divisors is an integer number (653839317540).

Almost surely, 212919337952437 is an apocalyptic number.

It is an amenable number.

12919337952437 is a deficient number, since it is larger than the sum of its proper divisors (2772805668523).

12919337952437 is a wasteful number, since it uses less digits than its factorization.

12919337952437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84969521 (or 84969514 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 65.

The spelling of 12919337952437 in words is "twelve trillion, nine hundred nineteen billion, three hundred thirty-seven million, nine hundred fifty-two thousand, four hundred thirty-seven".

Divisors: 1 7 29 49 107 203 749 1421 3103 5243 21721 152047 84969371 594785597 2464111759 4163499179 9091722697 17248782313 63642058879 120741476191 263659958213 445494412153 1845619707491 12919337952437