Base | Representation |
---|---|
bin | 100101010011000110… |
… | …010110110011110111 |
3 | 10211101002000221110201 |
4 | 211103012112303313 |
5 | 1124010003142022 |
6 | 30222002301331 |
7 | 2615306604451 |
oct | 452306266367 |
9 | 124332027421 |
10 | 40048880887 |
11 | 15a91604a74 |
12 | 7918357847 |
13 | 3a13238472 |
14 | 1d1cc932d1 |
15 | 1095e40127 |
hex | 953196cf7 |
40048880887 has 4 divisors (see below), whose sum is σ = 40073960056. Its totient is φ = 40023801720.
The previous prime is 40048880863. The next prime is 40048880899. The reversal of 40048880887 is 78808884004.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 40048880887 - 27 = 40048880759 is a prime.
It is a super-2 number, since 2×400488808872 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40048880587) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12537189 + ... + 12540382.
It is an arithmetic number, because the mean of its divisors is an integer number (10018490014).
Almost surely, 240048880887 is an apocalyptic number.
40048880887 is a deficient number, since it is larger than the sum of its proper divisors (25079169).
40048880887 is a wasteful number, since it uses less digits than its factorization.
40048880887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25079168.
The product of its (nonzero) digits is 3670016, while the sum is 55.
The spelling of 40048880887 in words is "forty billion, forty-eight million, eight hundred eighty thousand, eight hundred eighty-seven".
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