Base | Representation |
---|---|
bin | 1100011100101100001… |
… | …1011111101111101101 |
3 | 202110000021111011000010 |
4 | 3013023003133233231 |
5 | 12000441140320223 |
6 | 242125043523433 |
7 | 21310436522130 |
oct | 3071303375755 |
9 | 673007434003 |
10 | 213860088813 |
11 | 82774499058 |
12 | 35545389579 |
13 | 17222952267 |
14 | a4cab78217 |
15 | 586a16c393 |
hex | 31cb0dfbed |
213860088813 has 16 divisors (see below), whose sum is σ = 340050825216. Its totient is φ = 116892470640.
The previous prime is 213860088811. The next prime is 213860088823. The reversal of 213860088813 is 318880068312.
It is not a de Polignac number, because 213860088813 - 21 = 213860088811 is a prime.
It is a super-3 number, since 3×2138600888133 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213860088811) 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, 221386773 + ... + 221387738.
It is an arithmetic number, because the mean of its divisors is an integer number (21253176576).
Almost surely, 2213860088813 is an apocalyptic number.
213860088813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
213860088813 is a deficient number, since it is larger than the sum of its proper divisors (126190736403).
213860088813 is a wasteful number, since it uses less digits than its factorization.
213860088813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 442774544.
The product of its (nonzero) digits is 442368, while the sum is 48.
The spelling of 213860088813 in words is "two hundred thirteen billion, eight hundred sixty million, eighty-eight thousand, eight hundred thirteen".
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