Base | Representation |
---|---|
bin | 10111101010001000010101… |
… | …11111011011100001100101 |
3 | 20211012112221021211202221111 |
4 | 23311010022333123201211 |
5 | 23304334423023201141 |
6 | 302352002304545021 |
7 | 13646456024163550 |
oct | 1365041277334145 |
9 | 224175837752844 |
10 | 52025123256421 |
11 | 15638804871307 |
12 | 5a02998622171 |
13 | 2304c42bb7a43 |
14 | cbc05a967697 |
15 | 60345d55a381 |
hex | 2f510afdb865 |
52025123256421 has 8 divisors (see below), whose sum is σ = 59472942768000. Its totient is φ = 44581218506448.
The previous prime is 52025123256413. The next prime is 52025123256443. The reversal of 52025123256421 is 12465232152025.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 52025123256421 - 23 = 52025123256413 is a prime.
It is a super-2 number, since 2×520251232564212 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52025123256401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978661921 + ... + 978715078.
It is an arithmetic number, because the mean of its divisors is an integer number (7434117846000).
Almost surely, 252025123256421 is an apocalyptic number.
It is an amenable number.
52025123256421 is a deficient number, since it is larger than the sum of its proper divisors (7447819511579).
52025123256421 is a wasteful number, since it uses less digits than its factorization.
52025123256421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1957380803.
The product of its (nonzero) digits is 288000, while the sum is 40.
The spelling of 52025123256421 in words is "fifty-two trillion, twenty-five billion, one hundred twenty-three million, two hundred fifty-six thousand, four hundred twenty-one".
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