Base | Representation |
---|---|
bin | 10010111000100001… |
… | …011111111000110100 |
3 | 1221100001020011100010 |
4 | 102320201133320310 |
5 | 313011032031132 |
6 | 13151533420220 |
7 | 1315310152251 |
oct | 227041377064 |
9 | 57301204303 |
10 | 20275658292 |
11 | 866509819a |
12 | 3b1a33a670 |
13 | 1bb1832056 |
14 | da4b60428 |
15 | 7da06c6cc |
hex | 4b885fe34 |
20275658292 has 48 divisors (see below), whose sum is σ = 48451423104. Its totient is φ = 6597360000.
The previous prime is 20275658287. The next prime is 20275658317. The reversal of 20275658292 is 29285657202.
It is a super-2 number, since 2×202756582922 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31759 + ... + 203862.
It is an arithmetic number, because the mean of its divisors is an integer number (1009404648).
Almost surely, 220275658292 is an apocalyptic number.
It is an amenable number.
20275658292 is an abundant number, since it is smaller than the sum of its proper divisors (28175764812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20275658292 is a wasteful number, since it uses less digits than its factorization.
20275658292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235800 (or 235798 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 48.
The spelling of 20275658292 in words is "twenty billion, two hundred seventy-five million, six hundred fifty-eight thousand, two hundred ninety-two".
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