Base | Representation |
---|---|
bin | 100101010111111011… |
… | …111000010011001010 |
3 | 10211120201201021011120 |
4 | 211113323320103022 |
5 | 1124141241124204 |
6 | 30234021340110 |
7 | 2620313355321 |
oct | 452773702312 |
9 | 124521637146 |
10 | 40130020554 |
11 | 16023394448 |
12 | 793b567636 |
13 | 3a26ca74c0 |
14 | 1d299750b8 |
15 | 109d11b6d9 |
hex | 957ef84ca |
40130020554 has 32 divisors (see below), whose sum is σ = 86476830720. Its totient is φ = 12341564352.
The previous prime is 40130020499. The next prime is 40130020591. The reversal of 40130020554 is 45502003104.
It is a super-2 number, since 2×401300205542 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
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, 31479 + ... + 285045.
It is an arithmetic number, because the mean of its divisors is an integer number (2702400960).
Almost surely, 240130020554 is an apocalyptic number.
40130020554 is an abundant number, since it is smaller than the sum of its proper divisors (46346810166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40130020554 is a wasteful number, since it uses less digits than its factorization.
40130020554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255614.
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 40130020554 its reverse (45502003104), we get a palindrome (85632023658).
The spelling of 40130020554 in words is "forty billion, one hundred thirty million, twenty thousand, five hundred fifty-four".
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