Base | Representation |
---|---|
bin | 110111101101110011011001… |
… | …100111111110100101001010 |
3 | 1012010121121101122111222222100 |
4 | 313231303121213332211022 |
5 | 224104214134034312320 |
6 | 2225053513550534230 |
7 | 102420364510541442 |
oct | 6755633147764512 |
9 | 1163547348458870 |
10 | 245040125307210 |
11 | 71093a2a60a0a2 |
12 | 23596502207376 |
13 | a69625293491c |
14 | 4472010951122 |
15 | 1d4e0c8eb7790 |
hex | dedcd99fe94a |
245040125307210 has 48 divisors (see below), whose sum is σ = 637105707037800. Its totient is φ = 65343891749760.
The previous prime is 245040125307203. The next prime is 245040125307217. The reversal of 245040125307210 is 12703521040542.
245040125307210 is a `hidden beast` number, since 2 + 4 + 5 + 0 + 40 + 1 + 2 + 530 + 72 + 10 = 666.
It is an interprime number because it is at equal distance from previous prime (245040125307203) and next prime (245040125307217).
It can be written as a sum of positive squares in 4 ways, for example, as 128122681318641 + 116917443988569 = 11319129^2 + 10812837^2 .
It is not an unprimeable number, because it can be changed into a prime (245040125307217) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42692220 + ... + 48090600.
Almost surely, 2245040125307210 is an apocalyptic number.
245040125307210 is an abundant number, since it is smaller than the sum of its proper divisors (392065581730590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245040125307210 is a wasteful number, since it uses less digits than its factorization.
245040125307210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5902743 (or 5902740 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
Adding to 245040125307210 its reverse (12703521040542), we get a palindrome (257743646347752).
The spelling of 245040125307210 in words is "two hundred forty-five trillion, forty billion, one hundred twenty-five million, three hundred seven thousand, two hundred ten".
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