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620263045025 = 52135693354133
BaseRepresentation
bin10010000011010101000…
…11101111011110100001
32012022000012100101200022
421001222203233132201
540130244314420100
61152540033403225
762545460615021
oct11015243573641
92168005311608
10620263045025
1121a0633561a8
12a0264a09515
134664b994390
142204147da81
1511203c47e85
hex906a8ef7a1

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".

Divisors: 1 5 13 25 65 325 569 2845 7397 14225 36985 184925 3354133 16770665 43603729 83853325 218018645 1090093225 1908501677 9542508385 24810521801 47712541925 124052609005 620263045025