Base | Representation |
---|---|
bin | 10100001111100011… |
… | …01000111011111111 |
3 | 1001001101211001222210 |
4 | 22013301220323333 |
5 | 134224133341422 |
6 | 4554224111503 |
7 | 533213245344 |
oct | 120761507377 |
9 | 31041731883 |
10 | 10867871487 |
11 | 46776a2780 |
12 | 2133765593 |
13 | 10427450b5 |
14 | 7515187cb |
15 | 43919010c |
hex | 287c68eff |
10867871487 has 48 divisors (see below), whose sum is σ = 16286272128. Its totient is φ = 6390783360.
The previous prime is 10867871459. The next prime is 10867871489. The reversal of 10867871487 is 78417876801.
It is not a de Polignac number, because 10867871487 - 222 = 10863677183 is a prime.
It is a super-2 number, since 2×108678714872 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10867871489) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20779608 + ... + 20780130.
It is an arithmetic number, because the mean of its divisors is an integer number (339297336).
Almost surely, 210867871487 is an apocalyptic number.
10867871487 is a deficient number, since it is larger than the sum of its proper divisors (5418400641).
10867871487 is a wasteful number, since it uses less digits than its factorization.
10867871487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 808 (or 699 counting only the distinct ones).
The product of its (nonzero) digits is 4214784, while the sum is 57.
The spelling of 10867871487 in words is "ten billion, eight hundred sixty-seven million, eight hundred seventy-one thousand, four hundred eighty-seven".
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