Base | Representation |
---|---|
bin | 10010101000000101… |
… | …111100100000110010 |
3 | 1220121211112021022121 |
4 | 102220011330200302 |
5 | 311430000000200 |
6 | 13104325224454 |
7 | 1305422124022 |
oct | 225005744062 |
9 | 56554467277 |
10 | 20000000050 |
11 | 853352a068 |
12 | 3a61b6212a |
13 | 1b696a7974 |
14 | d7a2c5a82 |
15 | 7c0c6ae1a |
hex | 4a817c832 |
20000000050 has 24 divisors (see below), whose sum is σ = 37203720372. Its totient is φ = 7999200000.
The previous prime is 19999999967. The next prime is 20000000089. The reversal of 20000000050 is 5000000002.
It can be written as a sum of positive squares in 6 ways, for example, as 345922801 + 19654077249 = 18599^2 + 140193^2 .
It is a sliding number, since 20000000050 = 50 + 20000000000 and 1/50 + 1/20000000000 = 0.020000000050.
It is a junction number, because it is equal to n+sod(n) for n = 19999999970 and 20000000042.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979950 + ... + 1000150.
Almost surely, 220000000050 is an apocalyptic number.
20000000050 is a deficient number, since it is larger than the sum of its proper divisors (17203720322).
20000000050 is a wasteful number, since it uses less digits than its factorization.
20000000050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40014 (or 40009 counting only the distinct ones).
The product of its (nonzero) digits is 10, while the sum is 7.
Adding to 20000000050 its reverse (5000000002), we get a palindrome (25000000052).
It can be divided in two parts, 200000000 and 50, that multiplied together give a 10-th power (10000000000 = 1010).
The spelling of 20000000050 in words is "twenty billion, fifty", and thus it is an aban number and an uban number.
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