Base | Representation |
---|---|
bin | 1110110110110100… |
… | …0010110011011101 |
3 | 101021221010210201211 |
4 | 3231231002303131 |
5 | 31131412230112 |
6 | 1455420504421 |
7 | 200553336640 |
oct | 35555026335 |
9 | 11257123654 |
10 | 3988008157 |
11 | 1767143611 |
12 | 9336ab111 |
13 | 4b72b3353 |
14 | 29b911a57 |
15 | 1851a70a7 |
hex | edb42cdd |
3988008157 has 8 divisors (see below), whose sum is σ = 4755885696. Its totient is φ = 3269671152.
The previous prime is 3988008151. The next prime is 3988008187. The reversal of 3988008157 is 7518008893.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3988008157 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3988008157.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3988008151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12384958 + ... + 12385279.
It is an arithmetic number, because the mean of its divisors is an integer number (594485712).
Almost surely, 23988008157 is an apocalyptic number.
It is an amenable number.
3988008157 is a deficient number, since it is larger than the sum of its proper divisors (767877539).
3988008157 is a wasteful number, since it uses less digits than its factorization.
3988008157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24770267.
The product of its (nonzero) digits is 483840, while the sum is 49.
The square root of 3988008157 is about 63150.6781990502. The cubic root of 3988008157 is about 1585.8131420628.
The spelling of 3988008157 in words is "three billion, nine hundred eighty-eight million, eight thousand, one hundred fifty-seven".
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