Base | Representation |
---|---|
bin | 1100010000110… |
… | …00100101010101 |
3 | 21011112212221220 |
4 | 12020120211111 |
5 | 202313024031 |
6 | 14112400553 |
7 | 2356206465 |
oct | 610304525 |
9 | 234485856 |
10 | 102861141 |
11 | 53076109 |
12 | 2a546159 |
13 | 18405ba6 |
14 | d937ba5 |
15 | 906c596 |
hex | 6218955 |
102861141 has 8 divisors (see below), whose sum is σ = 137670720. Its totient is φ = 68312832.
The previous prime is 102861139. The next prime is 102861149. The reversal of 102861141 is 141168201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102861141 - 21 = 102861139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102861149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64396 + ... + 65973.
It is an arithmetic number, because the mean of its divisors is an integer number (17208840).
Almost surely, 2102861141 is an apocalyptic number.
It is an amenable number.
102861141 is a deficient number, since it is larger than the sum of its proper divisors (34809579).
102861141 is a wasteful number, since it uses less digits than its factorization.
102861141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130635.
The product of its (nonzero) digits is 384, while the sum is 24.
The square root of 102861141 is about 10142.0481659278. The cubic root of 102861141 is about 468.5440701136.
The spelling of 102861141 in words is "one hundred two million, eight hundred sixty-one thousand, one hundred forty-one".
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