Base | Representation |
---|---|
bin | 100011110000110111… |
… | …011011110110001011 |
3 | 10200010012212212111212 |
4 | 203300313123312023 |
5 | 1112121101132222 |
6 | 25350250243335 |
7 | 2526415301336 |
oct | 436067336613 |
9 | 120105785455 |
10 | 38400802187 |
11 | 15316285060 |
12 | 753842654b |
13 | 380c96a977 |
14 | 1c0404561d |
15 | eeb3e56e2 |
hex | 8f0ddbd8b |
38400802187 has 8 divisors (see below), whose sum is σ = 41901764160. Its totient is φ = 34901503560.
The previous prime is 38400802177. The next prime is 38400802213. The reversal of 38400802187 is 78120800483.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38400802187 - 218 = 38400540043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38400802117) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367313 + ... + 460130.
It is an arithmetic number, because the mean of its divisors is an integer number (5237720520).
Almost surely, 238400802187 is an apocalyptic number.
38400802187 is a deficient number, since it is larger than the sum of its proper divisors (3500961973).
38400802187 is a wasteful number, since it uses less digits than its factorization.
38400802187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 831673.
The product of its (nonzero) digits is 86016, while the sum is 41.
The spelling of 38400802187 in words is "thirty-eight billion, four hundred million, eight hundred two thousand, one hundred eighty-seven".
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