Base | Representation |
---|---|
bin | 10101001111100110… |
… | …10100100000010000 |
3 | 1002102211212022210220 |
4 | 22213303110200100 |
5 | 141324211323432 |
6 | 5123420353040 |
7 | 552426312240 |
oct | 124763244020 |
9 | 32384768726 |
10 | 11405182992 |
11 | 4922a23875 |
12 | 22636a5780 |
13 | 10c9b620b8 |
14 | 7a2a23b20 |
15 | 46b42872c |
hex | 2a7cd4810 |
11405182992 has 80 divisors (see below), whose sum is σ = 33684510720. Its totient is φ = 3257456256.
The previous prime is 11405182981. The next prime is 11405183059. The reversal of 11405182992 is 29928150411.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453993 + ... + 1461815.
It is an arithmetic number, because the mean of its divisors is an integer number (421056384).
Almost surely, 211405182992 is an apocalyptic number.
11405182992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
11405182992 is an abundant number, since it is smaller than the sum of its proper divisors (22279327728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11405182992 is a wasteful number, since it uses less digits than its factorization.
11405182992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12180 (or 12174 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 42.
The spelling of 11405182992 in words is "eleven billion, four hundred five million, one hundred eighty-two thousand, nine hundred ninety-two".
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