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13903251218425 = 528910758398619
BaseRepresentation
bin1100101001010001101001…
…0110011001111111111001
31211020010201111000121202001
43022110122112121333321
53310242324302442200
645323022044541001
72633322345313012
oct312243226317771
954203644017661
1013903251218425
114480376946068
121686662851761
1379b0bcba6bba
14360cc712a009
151919c732c76a
hexca51a599ff9

13903251218425 has 24 divisors (see below), whose sum is σ = 17596672178400. Its totient is φ = 10894846174080.

The previous prime is 13903251218387. The next prime is 13903251218431. The reversal of 13903251218425 is 52481215230931.

It is not a de Polignac number, because 13903251218425 - 29 = 13903251217913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28961235 + ... + 29437384.

It is an arithmetic number, because the mean of its divisors is an integer number (733194674100).

Almost surely, 213903251218425 is an apocalyptic number.

It is an amenable number.

13903251218425 is a deficient number, since it is larger than the sum of its proper divisors (3693420959975).

13903251218425 is a wasteful number, since it uses less digits than its factorization.

13903251218425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58398825 (or 58398820 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 13903251218425 in words is "thirteen trillion, nine hundred three billion, two hundred fifty-one million, two hundred eighteen thousand, four hundred twenty-five".

Divisors: 1 5 25 89 107 445 535 2225 2675 9523 47615 238075 58398619 291993095 1459965475 5197477091 6248652233 25987385455 31243261165 129936927275 156216305825 556130048737 2780650243685 13903251218425