Base | Representation |
---|---|
bin | 10010100111110111… |
… | …11001000011010101 |
3 | 221210210021022202120 |
4 | 21103323321003111 |
5 | 130434011044301 |
6 | 4332034530153 |
7 | 502522551000 |
oct | 112373710325 |
9 | 27723238676 |
10 | 9998143701 |
11 | 4270767387 |
12 | 1b30436959 |
13 | c344ba580 |
14 | 6abbdc537 |
15 | 3d7b42e36 |
hex | 253ef90d5 |
9998143701 has 64 divisors (see below), whose sum is σ = 16898112000. Its totient is φ = 5224601088.
The previous prime is 9998143697. The next prime is 9998143709. The reversal of 9998143701 is 1073418999.
It is a happy number.
It is not a de Polignac number, because 9998143701 - 22 = 9998143697 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9998143709) 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 63 ways as a sum of consecutive naturals, for example, 1454665 + ... + 1461521.
It is an arithmetic number, because the mean of its divisors is an integer number (264033000).
Almost surely, 29998143701 is an apocalyptic number.
9998143701 is a gapful number since it is divisible by the number (91) formed by its first and last digit.
It is an amenable number.
9998143701 is a deficient number, since it is larger than the sum of its proper divisors (6899968299).
9998143701 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (9998143700) it forms an eRAP, since the sums of their prime factors are consecutive (7002 and 7003).
9998143701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7003 (or 6989 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 51.
The square root of 9998143701 is about 99990.7180742293. The cubic root of 9998143701 is about 2154.3013726170.
The spelling of 9998143701 in words is "nine billion, nine hundred ninety-eight million, one hundred forty-three thousand, seven hundred one".
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