Base | Representation |
---|---|
bin | 10100010101100100… |
… | …10100110101001000 |
3 | 1001011220212022122121 |
4 | 22022302110311020 |
5 | 134330101223140 |
6 | 5003230501024 |
7 | 534365503114 |
oct | 121262246510 |
9 | 31156768577 |
10 | 10918382920 |
11 | 46a3162765 |
12 | 2148664774 |
13 | 105004c213 |
14 | 758106744 |
15 | 43d81b64a |
hex | 28ac94d48 |
10918382920 has 32 divisors (see below), whose sum is σ = 24708379320. Its totient is φ = 4342105600.
The previous prime is 10918382899. The next prime is 10918382929. The reversal of 10918382920 is 2928381901.
It can be written as a sum of positive squares in 4 ways, for example, as 10863059076 + 55323844 = 104226^2 + 7438^2 .
It is a super-2 number, since 2×109183829202 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10918382929) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781981 + ... + 795820.
Almost surely, 210918382920 is an apocalyptic number.
10918382920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10918382920 is an abundant number, since it is smaller than the sum of its proper divisors (13789996400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10918382920 is a wasteful number, since it uses less digits than its factorization.
10918382920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1577985 (or 1577981 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 43.
The spelling of 10918382920 in words is "ten billion, nine hundred eighteen million, three hundred eighty-two thousand, nine hundred twenty".
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