Base | Representation |
---|---|
bin | 1000111100010110101… |
… | …00100011111100000010 |
3 | 1002101010212201111001000 |
4 | 10132023110203330002 |
5 | 20013302201213442 |
6 | 353055034552430 |
7 | 31125454523061 |
oct | 4361324437402 |
9 | 1071125644030 |
10 | 307280101122 |
11 | 109353673aa5 |
12 | 4b677598716 |
13 | 22c90186257 |
14 | 10c2dd721d8 |
15 | 7ed68a5d4c |
hex | 478b523f02 |
307280101122 has 128 divisors (see below), whose sum is σ = 740677063680. Its totient is φ = 94073253120.
The previous prime is 307280101103. The next prime is 307280101123. The reversal of 307280101122 is 221101082703.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (307280101123) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6557797 + ... + 6604487.
It is an arithmetic number, because the mean of its divisors is an integer number (5786539560).
Almost surely, 2307280101122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 307280101122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370338531840).
307280101122 is an abundant number, since it is smaller than the sum of its proper divisors (433396962558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307280101122 is a wasteful number, since it uses less digits than its factorization.
307280101122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46893 (or 46887 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
Adding to 307280101122 its reverse (221101082703), we get a palindrome (528381183825).
The spelling of 307280101122 in words is "three hundred seven billion, two hundred eighty million, one hundred one thousand, one hundred twenty-two".
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