Base | Representation |
---|---|
bin | 10011001000100010… |
… | …010010110111000100 |
3 | 1222000202201200221210 |
4 | 103020202102313010 |
5 | 314033320140112 |
6 | 13234331411420 |
7 | 1325051455515 |
oct | 231042226704 |
9 | 58022650853 |
10 | 20544302532 |
11 | 87927a5626 |
12 | 3b942b3b70 |
13 | 1c253a1a40 |
14 | dcc6d0a0c |
15 | 803935b3c |
hex | 4c8892dc4 |
20544302532 has 24 divisors (see below), whose sum is σ = 51624145216. Its totient is φ = 6321323808.
The previous prime is 20544302521. The next prime is 20544302543. The reversal of 20544302532 is 23520344502.
It is an interprime number because it is at equal distance from previous prime (20544302521) and next prime (20544302543).
It is a super-3 number, since 3×205443025323 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 20544302532.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65846968 + ... + 65847279.
Almost surely, 220544302532 is an apocalyptic number.
It is an amenable number.
20544302532 is an abundant number, since it is smaller than the sum of its proper divisors (31079842684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20544302532 is a wasteful number, since it uses less digits than its factorization.
20544302532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131694267 (or 131694265 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 30.
The spelling of 20544302532 in words is "twenty billion, five hundred forty-four million, three hundred two thousand, five hundred thirty-two".
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