Base | Representation |
---|---|
bin | 1000111110100100010010… |
… | …1000101110110000001000 |
3 | 1021221122202000100000011120 |
4 | 2033221010220232300020 |
5 | 2243211240002433102 |
6 | 32554400223155240 |
7 | 2036104146540321 |
oct | 217510450566010 |
9 | 37848660300146 |
10 | 9870986374152 |
11 | 3166297521442 |
12 | 1135091445b20 |
13 | 567aa372cb47 |
14 | 261a88a65448 |
15 | 121b789bd6bc |
hex | 8fa44a2ec08 |
9870986374152 has 64 divisors (see below), whose sum is σ = 25579166256000. Its totient is φ = 3170553222144.
The previous prime is 9870986374127. The next prime is 9870986374157. The reversal of 9870986374152 is 2514736890789.
It is not an unprimeable number, because it can be changed into a prime (9870986374157) 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, 13747777 + ... + 14447952.
It is an arithmetic number, because the mean of its divisors is an integer number (399674472750).
It is a 1-persistent number, because it is pandigital, but 2⋅9870986374152 = 19741972748304 is not.
Almost surely, 29870986374152 is an apocalyptic number.
It is an amenable number.
9870986374152 is an abundant number, since it is smaller than the sum of its proper divisors (15708179881848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9870986374152 is a wasteful number, since it uses less digits than its factorization.
9870986374152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28196270 (or 28196266 counting only the distinct ones).
The product of its (nonzero) digits is 182891520, while the sum is 69.
The spelling of 9870986374152 in words is "nine trillion, eight hundred seventy billion, nine hundred eighty-six million, three hundred seventy-four thousand, one hundred fifty-two".
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