Base | Representation |
---|---|
bin | 100011101101001111… |
… | …111111000100111111 |
3 | 10122221222201100200000 |
4 | 203231033333010333 |
5 | 1112010033112322 |
6 | 25340242005343 |
7 | 2525050502001 |
oct | 435517770477 |
9 | 118858640600 |
10 | 38340129087 |
11 | 152950044a7 |
12 | 7520046853 |
13 | 3800216520 |
14 | 1bd9d70371 |
15 | ee5e0d3ac |
hex | 8ed3ff13f |
38340129087 has 96 divisors (see below), whose sum is σ = 67014275328. Its totient is φ = 21688321536.
The previous prime is 38340129083. The next prime is 38340129101. The reversal of 38340129087 is 78092104383.
38340129087 is a `hidden beast` number, since 3 + 83 + 401 + 2 + 90 + 87 = 666.
It is not a de Polignac number, because 38340129087 - 22 = 38340129083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38340129083) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2300928 + ... + 2317530.
It is an arithmetic number, because the mean of its divisors is an integer number (698065368).
Almost surely, 238340129087 is an apocalyptic number.
38340129087 is a deficient number, since it is larger than the sum of its proper divisors (28674146241).
38340129087 is a wasteful number, since it uses less digits than its factorization.
38340129087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16691 (or 16679 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 38340129087 in words is "thirty-eight billion, three hundred forty million, one hundred twenty-nine thousand, eighty-seven".
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