Base | Representation |
---|---|
bin | 10111010111111001… |
… | …01110000011010100 |
3 | 1012101112012201122010 |
4 | 23223330232003110 |
5 | 201144403410440 |
6 | 5433101504220 |
7 | 622651320111 |
oct | 135374560324 |
9 | 35345181563 |
10 | 12548497620 |
11 | 535a332a9a |
12 | 2522572070 |
13 | 124c99a229 |
14 | 8707d9908 |
15 | 4d69b8580 |
hex | 2ebf2e0d4 |
12548497620 has 24 divisors (see below), whose sum is σ = 35135793504. Its totient is φ = 3346266016.
The previous prime is 12548497609. The next prime is 12548497631. The reversal of 12548497620 is 2679484521.
It is an interprime number because it is at equal distance from previous prime (12548497609) and next prime (12548497631).
It is a self number, because there is not a number n which added to its sum of digits gives 12548497620.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104570754 + ... + 104570873.
It is an arithmetic number, because the mean of its divisors is an integer number (1463991396).
Almost surely, 212548497620 is an apocalyptic number.
12548497620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12548497620 is an abundant number, since it is smaller than the sum of its proper divisors (22587295884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12548497620 is a wasteful number, since it uses less digits than its factorization.
12548497620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209141639 (or 209141637 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 48.
The spelling of 12548497620 in words is "twelve billion, five hundred forty-eight million, four hundred ninety-seven thousand, six hundred twenty".
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