Base | Representation |
---|---|
bin | 10010000011010101000… |
… | …11101111011110100001 |
3 | 2012022000012100101200022 |
4 | 21001222203233132201 |
5 | 40130244314420100 |
6 | 1152540033403225 |
7 | 62545460615021 |
oct | 11015243573641 |
9 | 2168005311608 |
10 | 620263045025 |
11 | 21a0633561a8 |
12 | a0264a09515 |
13 | 4664b994390 |
14 | 2204147da81 |
15 | 11203c47e85 |
hex | 906a8ef7a1 |
620263045025 has 24 divisors (see below), whose sum is σ = 829745668920. Its totient is φ = 457235274240.
The previous prime is 620263045009. The next prime is 620263045049. The reversal of 620263045025 is 520540362026.
620263045025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 257656744801 + 362606300224 = 507599^2 + 602168^2 .
It is not a de Polignac number, because 620263045025 - 24 = 620263045009 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, 1492142 + ... + 1861991.
It is an arithmetic number, because the mean of its divisors is an integer number (34572736205).
Almost surely, 2620263045025 is an apocalyptic number.
620263045025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.
It is an amenable number.
620263045025 is a deficient number, since it is larger than the sum of its proper divisors (209482623895).
620263045025 is a wasteful number, since it uses less digits than its factorization.
620263045025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3354725 (or 3354720 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 35.
The spelling of 620263045025 in words is "six hundred twenty billion, two hundred sixty-three million, forty-five thousand, twenty-five".
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