Base | Representation |
---|---|
bin | 1001010100000110… |
… | …1100100110010101 |
3 | 20110020122212020001 |
4 | 2111001230212111 |
5 | 20110031000010 |
6 | 1052033011301 |
7 | 115646526421 |
oct | 22501544625 |
9 | 6406585201 |
10 | 2500250005 |
11 | 1073364920 |
12 | 5993b3b31 |
13 | 30acb9196 |
14 | 19a0b7b81 |
15 | e9779c3a |
hex | 9506c995 |
2500250005 has 16 divisors (see below), whose sum is σ = 3326715648. Its totient is φ = 1788552000.
The previous prime is 2500250003. The next prime is 2500250009. The reversal of 2500250005 is 5000520052.
It is not a de Polignac number, because 2500250005 - 21 = 2500250003 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2500250003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369261 + ... + 375970.
It is an arithmetic number, because the mean of its divisors is an integer number (207919728).
Almost surely, 22500250005 is an apocalyptic number.
It is an amenable number.
2500250005 is a deficient number, since it is larger than the sum of its proper divisors (826465643).
2500250005 is a wasteful number, since it uses less digits than its factorization.
2500250005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 745308.
The product of its (nonzero) digits is 500, while the sum is 19.
The square root of 2500250005 is about 50002.4999875006. The cubic root of 2500250005 is about 1357.2540479879.
Adding to 2500250005 its reverse (5000520052), we get a palindrome (7500770057).
The spelling of 2500250005 in words is "two billion, five hundred million, two hundred fifty thousand, five".
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