Base | Representation |
---|---|
bin | 10010111010110101… |
… | …010111100011111110 |
3 | 1221102202011112110120 |
4 | 102322311113203332 |
5 | 313100442442002 |
6 | 13155440315410 |
7 | 1316260506444 |
oct | 227265274376 |
9 | 57382145416 |
10 | 20314421502 |
11 | 8684a63601 |
12 | 3b2b312b66 |
13 | 1bb988496b |
14 | da9d70b94 |
15 | 7dd677cbc |
hex | 4bad578fe |
20314421502 has 32 divisors (see below), whose sum is σ = 40710822912. Its totient is φ = 6757828704.
The previous prime is 20314421471. The next prime is 20314421557. The reversal of 20314421502 is 20512441302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11392503 + ... + 11394285.
It is an arithmetic number, because the mean of its divisors is an integer number (1272213216).
Almost surely, 220314421502 is an apocalyptic number.
20314421502 is an abundant number, since it is smaller than the sum of its proper divisors (20396401410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20314421502 is a wasteful number, since it uses less digits than its factorization.
20314421502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4552.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 20314421502 its reverse (20512441302), we get a palindrome (40826862804).
The spelling of 20314421502 in words is "twenty billion, three hundred fourteen million, four hundred twenty-one thousand, five hundred two".
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