Base | Representation |
---|---|
bin | 10000110100011000… |
… | …101110110111110100 |
3 | 1201121112202110101002 |
4 | 100310120232313310 |
5 | 243441021032420 |
6 | 12143542022432 |
7 | 1206340664660 |
oct | 206430566764 |
9 | 51545673332 |
10 | 18058767860 |
11 | 7727781641 |
12 | 35bba17a18 |
13 | 191a468773 |
14 | c345678a0 |
15 | 70a616075 |
hex | 43462edf4 |
18058767860 has 96 divisors (see below), whose sum is σ = 45382159872. Its totient is φ = 5901857280.
The previous prime is 18058767847. The next prime is 18058767863. The reversal of 18058767860 is 6876785081.
It is a super-2 number, since 2×180587678602 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 18058767796 and 18058767805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18058767863) 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, 933890 + ... + 953030.
It is an arithmetic number, because the mean of its divisors is an integer number (472730832).
Almost surely, 218058767860 is an apocalyptic number.
18058767860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18058767860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22691079936).
18058767860 is an abundant number, since it is smaller than the sum of its proper divisors (27323392012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18058767860 is a wasteful number, since it uses less digits than its factorization.
18058767860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19473 (or 19471 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 56.
The spelling of 18058767860 in words is "eighteen billion, fifty-eight million, seven hundred sixty-seven thousand, eight hundred sixty".
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