Base | Representation |
---|---|
bin | 1100000100111001011… |
… | …1011101010111010010 |
3 | 201211112011102201021110 |
4 | 3001032113131113102 |
5 | 11344401114441032 |
6 | 235151210434150 |
7 | 20663244060546 |
oct | 3011627352722 |
9 | 654464381243 |
10 | 207473202642 |
11 | 7aa97239a32 |
12 | 34262432956 |
13 | 16745686b84 |
14 | a082819a26 |
15 | 55e45b17cc |
hex | 304e5dd5d2 |
207473202642 has 32 divisors (see below), whose sum is σ = 417643646400. Its totient is φ = 68708502720.
The previous prime is 207473202631. The next prime is 207473202649. The reversal of 207473202642 is 246202374702.
It is a self number, because there is not a number n which added to its sum of digits gives 207473202642.
It is not an unprimeable number, because it can be changed into a prime (207473202649) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2760984 + ... + 2835132.
It is an arithmetic number, because the mean of its divisors is an integer number (13051363950).
Almost surely, 2207473202642 is an apocalyptic number.
207473202642 is an abundant number, since it is smaller than the sum of its proper divisors (210170443758).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207473202642 is a wasteful number, since it uses less digits than its factorization.
207473202642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77178.
The product of its (nonzero) digits is 225792, while the sum is 39.
The spelling of 207473202642 in words is "two hundred seven billion, four hundred seventy-three million, two hundred two thousand, six hundred forty-two".
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