Base | Representation |
---|---|
bin | 100100010011011110… |
… | …011011110100011111 |
3 | 10201121200110212222220 |
4 | 210103132123310133 |
5 | 1114313222413124 |
6 | 25524031440423 |
7 | 2546665603206 |
oct | 442336336437 |
9 | 121550425886 |
10 | 38981451039 |
11 | 15594016143 |
12 | 767a986113 |
13 | 38a304c57b |
14 | 1c5b1d223d |
15 | 103238e879 |
hex | 91379bd1f |
38981451039 has 16 divisors (see below), whose sum is σ = 53247532800. Its totient is φ = 25352945856.
The previous prime is 38981450983. The next prime is 38981451079. The reversal of 38981451039 is 93015418983.
It is not a de Polignac number, because 38981451039 - 212 = 38981446943 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38981450982 and 38981451000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38981451079) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71854 + ... + 288315.
It is an arithmetic number, because the mean of its divisors is an integer number (3327970800).
Almost surely, 238981451039 is an apocalyptic number.
38981451039 is a deficient number, since it is larger than the sum of its proper divisors (14266081761).
38981451039 is a wasteful number, since it uses less digits than its factorization.
38981451039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 361054.
The product of its (nonzero) digits is 933120, while the sum is 51.
The spelling of 38981451039 in words is "thirty-eight billion, nine hundred eighty-one million, four hundred fifty-one thousand, thirty-nine".
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