Base | Representation |
---|---|
bin | 10001011101110010010101… |
… | …01100001001000101101011 |
3 | 12000222122210110100102110220 |
4 | 20232321022230021011223 |
5 | 20013224212231141004 |
6 | 213403510312341123 |
7 | 11042542364010435 |
oct | 1056711254110553 |
9 | 160878713312426 |
10 | 38406850646379 |
11 | 11268287a1a706 |
12 | 43836086a47a3 |
13 | 185799aa43a47 |
14 | 96ac8998b655 |
15 | 4690b4c9ddd9 |
hex | 22ee4ab0916b |
38406850646379 has 16 divisors (see below), whose sum is σ = 51395223559680. Its totient is φ = 25511616931680.
The previous prime is 38406850646357. The next prime is 38406850646429. The reversal of 38406850646379 is 97364605860483.
It is not a de Polignac number, because 38406850646379 - 28 = 38406850646123 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38406850648379) 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, 10188019 + ... + 13439100.
It is an arithmetic number, because the mean of its divisors is an integer number (3212201472480).
Almost surely, 238406850646379 is an apocalyptic number.
38406850646379 is a deficient number, since it is larger than the sum of its proper divisors (12988372913301).
38406850646379 is a wasteful number, since it uses less digits than its factorization.
38406850646379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23629090.
The product of its (nonzero) digits is 627056640, while the sum is 69.
The spelling of 38406850646379 in words is "thirty-eight trillion, four hundred six billion, eight hundred fifty million, six hundred forty-six thousand, three hundred seventy-nine".
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