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2008506202025 = 52169214747961
BaseRepresentation
bin11101001110100100010…
…011000111011110101001
321010000022020202200111112
4131032210103013132221
5230401410041431100
64134410042240105
7265052441012621
oct35164423073651
97100266680445
102008506202025
11704891431314
122853187b6035
1311752a9214cb
146d2d8485881
15373a4b68b35
hex1d3a44c77a9

2008506202025 has 12 divisors (see below), whose sum is σ = 2490695401884. Its totient is φ = 1606709664000.

The previous prime is 2008506202019. The next prime is 2008506202039. The reversal of 2008506202025 is 5202026058002.

It can be written as a sum of positive squares in 6 ways, for example, as 172239376 + 2008333962649 = 13124^2 + 1417157^2 .

It is not a de Polignac number, because 2008506202025 - 28 = 2008506201769 is a prime.

It is a super-2 number, since 2×20085062020252 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2008506201982 and 2008506202000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1950956 + ... + 2797005.

It is an arithmetic number, because the mean of its divisors is an integer number (207557950157).

Almost surely, 22008506202025 is an apocalyptic number.

2008506202025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2008506202025 is a deficient number, since it is larger than the sum of its proper divisors (482189199859).

2008506202025 is a wasteful number, since it uses less digits than its factorization.

2008506202025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764892 (or 4764887 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 2008506202025 in words is "two trillion, eight billion, five hundred six million, two hundred two thousand, twenty-five".

Divisors: 1 5 25 16921 84605 423025 4747961 23739805 118699025 80340248081 401701240405 2008506202025