Base | Representation |
---|---|
bin | 1100000011100101011… |
… | …0111100110101001000 |
3 | 201210121121020011012012 |
4 | 3000321112330311020 |
5 | 11343140402412343 |
6 | 235052220235052 |
7 | 20651434210550 |
oct | 3007126746510 |
9 | 653547204165 |
10 | 207120747848 |
11 | 7a926298483 |
12 | 3418439ba88 |
13 | 166ba651541 |
14 | a04bab0160 |
15 | 55c3690718 |
hex | 30395bcd48 |
207120747848 has 32 divisors (see below), whose sum is σ = 467189659200. Its totient is φ = 84094137792.
The previous prime is 207120747839. The next prime is 207120747859. The reversal of 207120747848 is 848747021702.
It is a super-2 number, since 2×2071207478482 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 207120747796 and 207120747805.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97330115 + ... + 97332242.
It is an arithmetic number, because the mean of its divisors is an integer number (14599676850).
Almost surely, 2207120747848 is an apocalyptic number.
207120747848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
207120747848 is an abundant number, since it is smaller than the sum of its proper divisors (260068911352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207120747848 is a wasteful number, since it uses less digits than its factorization.
207120747848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194662389 (or 194662385 counting only the distinct ones).
The product of its (nonzero) digits is 1404928, while the sum is 50.
The spelling of 207120747848 in words is "two hundred seven billion, one hundred twenty million, seven hundred forty-seven thousand, eight hundred forty-eight".
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