Base | Representation |
---|---|
bin | 101111111101010110… |
… | …1011001011000111110 |
3 | 100211211120201001120210 |
4 | 1133322231121120332 |
5 | 3141411023433121 |
6 | 115151350453250 |
7 | 10304125254201 |
oct | 1377255313076 |
9 | 324746631523 |
10 | 102990452286 |
11 | 3a750475177 |
12 | 17b63364226 |
13 | 9934230237 |
14 | 4db029d938 |
15 | 2a2ba44876 |
hex | 17fab5963e |
102990452286 has 16 divisors (see below), whose sum is σ = 205986478464. Its totient is φ = 34329221784.
The previous prime is 102990452263. The next prime is 102990452347. The reversal of 102990452286 is 682254099201.
It is a Curzon number.
It is a congruent number.
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, 30895 + ... + 454901.
It is an arithmetic number, because the mean of its divisors is an integer number (12874154904).
Almost surely, 2102990452286 is an apocalyptic number.
102990452286 is an abundant number, since it is smaller than the sum of its proper divisors (102996026178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102990452286 is a wasteful number, since it uses less digits than its factorization.
102990452286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464495.
The product of its (nonzero) digits is 622080, while the sum is 48.
The spelling of 102990452286 in words is "one hundred two billion, nine hundred ninety million, four hundred fifty-two thousand, two hundred eighty-six".
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