Base | Representation |
---|---|
bin | 100100010011011001… |
… | …101100011101101000 |
3 | 10201121121010202112111 |
4 | 210103121230131220 |
5 | 1114312413132423 |
6 | 25523545052104 |
7 | 2546652206464 |
oct | 442331543550 |
9 | 121547122474 |
10 | 38980208488 |
11 | 15593347641 |
12 | 767a487034 |
13 | 38a2a05b30 |
14 | 1c5ad8b4a4 |
15 | 10321e660d |
hex | 91366c768 |
38980208488 has 32 divisors (see below), whose sum is σ = 78770532960. Its totient is φ = 17977037760.
The previous prime is 38980208473. The next prime is 38980208503. The reversal of 38980208488 is 88480208983.
It is an interprime number because it is at equal distance from previous prime (38980208473) and next prime (38980208503).
It is a super-2 number, since 2×389802084882 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7458 + ... + 279313.
It is an arithmetic number, because the mean of its divisors is an integer number (2461579155).
Almost surely, 238980208488 is an apocalyptic number.
It is an amenable number.
38980208488 is an abundant number, since it is smaller than the sum of its proper divisors (39790324472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38980208488 is a wasteful number, since it uses less digits than its factorization.
38980208488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 288097 (or 288093 counting only the distinct ones).
The product of its (nonzero) digits is 7077888, while the sum is 58.
The spelling of 38980208488 in words is "thirty-eight billion, nine hundred eighty million, two hundred eight thousand, four hundred eighty-eight".
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