Base | Representation |
---|---|
bin | 100000110101000100… |
… | …1000100010110011011 |
3 | 20201222021122012102121 |
4 | 1001222021010112123 |
5 | 2123341030114442 |
6 | 52215400442111 |
7 | 5044030066441 |
oct | 1015211042633 |
9 | 221867565377 |
10 | 70500238747 |
11 | 27998601924 |
12 | 117b6479337 |
13 | 6856c84303 |
14 | 35ab230b91 |
15 | 1c794c4967 |
hex | 106a24459b |
70500238747 has 4 divisors (see below), whose sum is σ = 70516649896. Its totient is φ = 70483827600.
The previous prime is 70500238717. The next prime is 70500238769. The reversal of 70500238747 is 74783200507.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74783200507 = 59 ⋅1267511873.
It is a cyclic number.
It is not a de Polignac number, because 70500238747 - 231 = 68352755099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70500238717) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8199129 + ... + 8207722.
It is an arithmetic number, because the mean of its divisors is an integer number (17629162474).
Almost surely, 270500238747 is an apocalyptic number.
70500238747 is a deficient number, since it is larger than the sum of its proper divisors (16411149).
70500238747 is a wasteful number, since it uses less digits than its factorization.
70500238747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16411148.
The product of its (nonzero) digits is 329280, while the sum is 43.
The spelling of 70500238747 in words is "seventy billion, five hundred million, two hundred thirty-eight thousand, seven hundred forty-seven".
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