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5205225025 = 5271113208001
BaseRepresentation
bin1001101100100000…
…10110111001000001
3111102202112211101001
410312100112321001
541130014200100
62220302012001
7242663453110
oct46620267101
914382484331
105205225025
112231239670
121013277001
1364c525210
14375443c77
15206e93d6a
hex136416e41

5205225025 has 48 divisors (see below), whose sum is σ = 8666195328. Its totient is φ = 2995200000.

The previous prime is 5205225023. The next prime is 5205225073.

5205225025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5205225025 - 21 = 5205225023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5205224984 and 5205225002.

It is not an unprimeable number, because it can be changed into a prime (5205225023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78976 + ... + 129025.

It is an arithmetic number, because the mean of its divisors is an integer number (180545736).

Almost surely, 25205225025 is an apocalyptic number.

5205225025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5205225025 is a deficient number, since it is larger than the sum of its proper divisors (3460970303).

5205225025 is a wasteful number, since it uses less digits than its factorization.

5205225025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208042 (or 208037 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 5205225025 is about 72147.2454429135. The cubic root of 5205225025 is about 1733.0582883561.

It can be divided in two parts, 52052 and 25025, that added together give a palindrome (77077).

The spelling of 5205225025 in words is "five billion, two hundred five million, two hundred twenty-five thousand, twenty-five".

Divisors: 1 5 7 11 13 25 35 55 65 77 91 143 175 275 325 385 455 715 1001 1925 2275 3575 5005 25025 208001 1040005 1456007 2288011 2704013 5200025 7280035 11440055 13520065 16016077 18928091 29744143 36400175 57200275 67600325 80080385 94640455 148720715 208209001 400401925 473202275 743603575 1041045005 5205225025