Base | Representation |
---|---|
bin | 1110010001001101011… |
… | …1101010111101100100 |
3 | 212102202002121011110211 |
4 | 3210103113222331210 |
5 | 13004020323431020 |
6 | 304340452225204 |
7 | 23465515353163 |
oct | 3442327527544 |
9 | 772662534424 |
10 | 245138108260 |
11 | 94a65087001 |
12 | 3b61430b204 |
13 | 1a168a27586 |
14 | bc16c213da |
15 | 659b09385a |
hex | 39135eaf64 |
245138108260 has 24 divisors (see below), whose sum is σ = 537172203456. Its totient is φ = 93791971680.
The previous prime is 245138108233. The next prime is 245138108261. The reversal of 245138108260 is 62801831542.
It is a super-4 number, since 4×2451381082604 (a number of 47 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (245138108261) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266454006 + ... + 266454925.
It is an arithmetic number, because the mean of its divisors is an integer number (22382175144).
Almost surely, 2245138108260 is an apocalyptic number.
245138108260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245138108260 is an abundant number, since it is smaller than the sum of its proper divisors (292034095196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245138108260 is a wasteful number, since it uses less digits than its factorization.
245138108260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532908963 (or 532908961 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 40.
The spelling of 245138108260 in words is "two hundred forty-five billion, one hundred thirty-eight million, one hundred eight thousand, two hundred sixty".
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