Base | Representation |
---|---|
bin | 1100000011001111010… |
… | …1100111001100011000 |
3 | 201210101010221021221202 |
4 | 3000303311213030120 |
5 | 11342443144404032 |
6 | 235035111053332 |
7 | 20646231001520 |
oct | 3006365471430 |
9 | 653333837852 |
10 | 207028122392 |
11 | 7a888a83613 |
12 | 34159371248 |
13 | 166a43c0590 |
14 | a03d67c680 |
15 | 55ba495d62 |
hex | 3033d67318 |
207028122392 has 256 divisors, whose sum is σ = 514719744000. Its totient is φ = 75787633152.
The previous prime is 207028122347. The next prime is 207028122397. The reversal of 207028122392 is 293221820702.
It is a super-2 number, since 2×2070281223922 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207028122397) 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, 117695609 + ... + 117697367.
It is an arithmetic number, because the mean of its divisors is an integer number (2010624000).
Almost surely, 2207028122392 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 207028122392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257359872000).
207028122392 is an abundant number, since it is smaller than the sum of its proper divisors (307691621608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207028122392 is a wasteful number, since it uses less digits than its factorization.
207028122392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1998 (or 1994 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 38.
The spelling of 207028122392 in words is "two hundred seven billion, twenty-eight million, one hundred twenty-two thousand, three hundred ninety-two".
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