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12145764282547 = 719464411966399
BaseRepresentation
bin1011000010111110011111…
…1101110011000010110011
31121000010100012021212122211
42300233213331303002303
53042444011124020142
641455404224312551
72362334234662210
oct260574775630263
947003305255584
1012145764282547
113962a98330815
121441b1ba72757
136a1457568b4c
142ddc029bab07
15160e14c17917
hexb0be7f730b3

12145764282547 has 16 divisors (see below), whose sum is σ = 14611767808000. Its totient is φ = 9862508496960.

The previous prime is 12145764282539. The next prime is 12145764282563. The reversal of 12145764282547 is 74528246754121.

It is a happy number.

It is not a de Polignac number, because 12145764282547 - 23 = 12145764282539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12145764282491 and 12145764282500.

It is not an unprimeable number, because it can be changed into a prime (12145764282577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5193454 + ... + 7159852.

It is an arithmetic number, because the mean of its divisors is an integer number (913235488000).

Almost surely, 212145764282547 is an apocalyptic number.

12145764282547 is a deficient number, since it is larger than the sum of its proper divisors (2466003525453).

12145764282547 is a wasteful number, since it uses less digits than its factorization.

12145764282547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012866.

The product of its digits is 30105600, while the sum is 58.

The spelling of 12145764282547 in words is "twelve trillion, one hundred forty-five billion, seven hundred sixty-four million, two hundred eighty-two thousand, five hundred forty-seven".

Divisors: 1 7 19 133 46441 325087 882379 1966399 6176653 13764793 37361581 261531067 91321535959 639250751713 1735109183221 12145764282547