Base | Representation |
---|---|
bin | 10001101101000001100110… |
… | …01101101111011110011010 |
3 | 12002211201021111101021212000 |
4 | 20312200303031233132122 |
5 | 20100314021324430130 |
6 | 214444222025501430 |
7 | 11125426443664032 |
oct | 1066406315573632 |
9 | 162751244337760 |
10 | 38930442811290 |
11 | 1144a343063858 |
12 | 4448b92641876 |
13 | 18951818351c4 |
14 | 98835a1a68c2 |
15 | 477a0bbb3260 |
hex | 23683336f79a |
38930442811290 has 64 divisors (see below), whose sum is σ = 104038735910400. Its totient is φ = 10359029241792.
The previous prime is 38930442811241. The next prime is 38930442811313. The reversal of 38930442811290 is 9211824403983.
38930442811290 is a `hidden beast` number, since 3 + 8 + 9 + 30 + 44 + 281 + 1 + 290 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155584305 + ... + 155834324.
It is an arithmetic number, because the mean of its divisors is an integer number (1625605248600).
Almost surely, 238930442811290 is an apocalyptic number.
38930442811290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38930442811290 is an abundant number, since it is smaller than the sum of its proper divisors (65108293099110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38930442811290 is a wasteful number, since it uses less digits than its factorization.
38930442811290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311419108 (or 311419102 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 54.
The spelling of 38930442811290 in words is "thirty-eight trillion, nine hundred thirty billion, four hundred forty-two million, eight hundred eleven thousand, two hundred ninety".
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