Base | Representation |
---|---|
bin | 111101111111110… |
… | …111010111101000 |
3 | 2200111020012100122 |
4 | 331333313113220 |
5 | 4112234331130 |
6 | 251114022412 |
7 | 34530101144 |
oct | 7577672750 |
9 | 2614205318 |
10 | 1040152040 |
11 | 494158694 |
12 | 250417a08 |
13 | 137657ca5 |
14 | 9c200224 |
15 | 614b32e5 |
hex | 3dff75e8 |
1040152040 has 16 divisors (see below), whose sum is σ = 2340342180. Its totient is φ = 416060800.
The previous prime is 1040152037. The next prime is 1040152073. The reversal of 1040152040 is 402510401.
It can be written as a sum of positive squares in 2 ways, for example, as 1029511396 + 10640644 = 32086^2 + 3262^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13001861 + ... + 13001940.
Almost surely, 21040152040 is an apocalyptic number.
1040152040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1040152040 is an abundant number, since it is smaller than the sum of its proper divisors (1300190140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1040152040 is a wasteful number, since it uses less digits than its factorization.
1040152040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26003812 (or 26003808 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 1040152040 is about 32251.3881871773. The cubic root of 1040152040 is about 1013.2087734515.
Adding to 1040152040 its reverse (402510401), we get a palindrome (1442662441).
The spelling of 1040152040 in words is "one billion, forty million, one hundred fifty-two thousand, forty".
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