Base | Representation |
---|---|
bin | 101000111001101101… |
… | …0011011000010011010 |
3 | 22101201102021110011120 |
4 | 1101303122123002122 |
5 | 2414341411333000 |
6 | 104203502510110 |
7 | 6226435503543 |
oct | 1216332330232 |
9 | 271642243146 |
10 | 87835652250 |
11 | 34283a32645 |
12 | 15033b95336 |
13 | 838a5c4538 |
14 | 43736a14ca |
15 | 24413536a0 |
hex | 147369b09a |
87835652250 has 64 divisors (see below), whose sum is σ = 219943316736. Its totient is φ = 23347464000.
The previous prime is 87835652227. The next prime is 87835652257. The reversal of 87835652250 is 5225653878.
It is a junction number, because it is equal to n+sod(n) for n = 87835652193 and 87835652202.
It is not an unprimeable number, because it can be changed into a prime (87835652257) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44964 + ... + 421536.
It is an arithmetic number, because the mean of its divisors is an integer number (3436614324).
Almost surely, 287835652250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87835652250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109971658368).
87835652250 is an abundant number, since it is smaller than the sum of its proper divisors (132107664486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87835652250 is a wasteful number, since it uses less digits than its factorization.
87835652250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376904 (or 376894 counting only the distinct ones).
The product of its (nonzero) digits is 4032000, while the sum is 51.
The spelling of 87835652250 in words is "eighty-seven billion, eight hundred thirty-five million, six hundred fifty-two thousand, two hundred fifty".
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