Base | Representation |
---|---|
bin | 10011001011111111… |
… | …010100001111010111 |
3 | 1222011210202022222021 |
4 | 103023333110033113 |
5 | 314143133221012 |
6 | 13244201314011 |
7 | 1326354111334 |
oct | 231377241727 |
9 | 58153668867 |
10 | 20602242007 |
11 | 8812479396 |
12 | 3bab795907 |
13 | 1c343a9b59 |
14 | dd629398b |
15 | 808a7d007 |
hex | 4cbfd43d7 |
20602242007 has 8 divisors (see below), whose sum is σ = 20628896400. Its totient is φ = 20575606464.
The previous prime is 20602241993. The next prime is 20602242041. The reversal of 20602242007 is 70024220602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20602242007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20602242707) 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, 4440693 + ... + 4445329.
It is an arithmetic number, because the mean of its divisors is an integer number (2578612050).
Almost surely, 220602242007 is an apocalyptic number.
20602242007 is a deficient number, since it is larger than the sum of its proper divisors (26654393).
20602242007 is a wasteful number, since it uses less digits than its factorization.
20602242007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9425.
The product of its (nonzero) digits is 2688, while the sum is 25.
Adding to 20602242007 its reverse (70024220602), we get a palindrome (90626462609).
The spelling of 20602242007 in words is "twenty billion, six hundred two million, two hundred forty-two thousand, seven".
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