Base | Representation |
---|---|
bin | 10011111110001010101111… |
… | …010010101001000011001010 |
3 | 102111222221112201012220011210 |
4 | 103332022233102221003022 |
5 | 43003042111124241410 |
6 | 510450504015433550 |
7 | 24333604505133420 |
oct | 2376125722510312 |
9 | 374887481186153 |
10 | 87835022102730 |
11 | 25a94695139331 |
12 | 9a270232258b6 |
13 | 3a01a650c9406 |
14 | 1799348573110 |
15 | a24bccdc4220 |
hex | 4fe2af4a90ca |
87835022102730 has 128 divisors (see below), whose sum is σ = 247500430548480. Its totient is φ = 19528424939520.
The previous prime is 87835022102689. The next prime is 87835022102791. The reversal of 87835022102730 is 3720122053878.
It is a super-2 number, since 2×878350221027302 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 87835022102730.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25818690 + ... + 29021970.
It is an arithmetic number, because the mean of its divisors is an integer number (1933597113660).
Almost surely, 287835022102730 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87835022102730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123750215274240).
87835022102730 is an abundant number, since it is smaller than the sum of its proper divisors (159665408445750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87835022102730 is a wasteful number, since it uses less digits than its factorization.
87835022102730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3206864.
The product of its (nonzero) digits is 1128960, while the sum is 48.
The spelling of 87835022102730 in words is "eighty-seven trillion, eight hundred thirty-five billion, twenty-two million, one hundred two thousand, seven hundred thirty".
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