Base | Representation |
---|---|
bin | 10011001010001100… |
… | …100110011101010110 |
3 | 1222002201011112000211 |
4 | 103022030212131112 |
5 | 314112433420240 |
6 | 13241205000034 |
7 | 1325540363134 |
oct | 231214463526 |
9 | 58081145024 |
10 | 20572170070 |
11 | 87a74a9951 |
12 | 3ba16b301a |
13 | 1c2b0ab1ca |
14 | dd22a6754 |
15 | 8060dcbea |
hex | 4ca326756 |
20572170070 has 8 divisors (see below), whose sum is σ = 37029906144. Its totient is φ = 8228868024.
The previous prime is 20572170053. The next prime is 20572170103. The reversal of 20572170070 is 7007127502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028608494 + ... + 1028608513.
It is an arithmetic number, because the mean of its divisors is an integer number (4628738268).
Almost surely, 220572170070 is an apocalyptic number.
20572170070 is a deficient number, since it is larger than the sum of its proper divisors (16457736074).
20572170070 is a wasteful number, since it uses less digits than its factorization.
20572170070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2057217014.
The product of its (nonzero) digits is 6860, while the sum is 31.
Adding to 20572170070 its reverse (7007127502), we get a palindrome (27579297572).
The spelling of 20572170070 in words is "twenty billion, five hundred seventy-two million, one hundred seventy thousand, seventy".
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