Base | Representation |
---|---|
bin | 111101111111101… |
… | …011111010100000 |
3 | 2200111010210222212 |
4 | 331333223322200 |
5 | 4112231330440 |
6 | 251113021252 |
7 | 34526514305 |
oct | 7577537240 |
9 | 2614123885 |
10 | 1040105120 |
11 | 49412640a |
12 | 2503b4828 |
13 | 13763c822 |
14 | 9c1cb0ac |
15 | 614a4465 |
hex | 3dfebea0 |
1040105120 has 48 divisors (see below), whose sum is σ = 2459759400. Its totient is φ = 415617024.
The previous prime is 1040105107. The next prime is 1040105161. The reversal of 1040105120 is 215010401.
It can be written as a sum of positive squares in 4 ways, for example, as 622801936 + 417303184 = 24956^2 + 20428^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1040105095 and 1040105104.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188156 + ... + 193604.
Almost surely, 21040105120 is an apocalyptic number.
1040105120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1040105120 is an abundant number, since it is smaller than the sum of its proper divisors (1419654280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1040105120 is a wasteful number, since it uses less digits than its factorization.
1040105120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6657 (or 6649 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 14.
The square root of 1040105120 is about 32250.6607684246. The cubic root of 1040105120 is about 1013.1935383485.
Adding to 1040105120 its reverse (215010401), we get a palindrome (1255115521).
The spelling of 1040105120 in words is "one billion, forty million, one hundred five thousand, one hundred twenty".
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