Base | Representation |
---|---|
bin | 10010111010010001… |
… | …011011100000111110 |
3 | 1221102002102220021221 |
4 | 102322101123200332 |
5 | 313041040004020 |
6 | 13154502343554 |
7 | 1316114441134 |
oct | 227221334076 |
9 | 57362386257 |
10 | 20305000510 |
11 | 867a709463 |
12 | 3b2812abba |
13 | 1bb7936802 |
14 | da89db754 |
15 | 7dc9166aa |
hex | 4ba45b83e |
20305000510 has 32 divisors (see below), whose sum is σ = 36975890880. Its totient is φ = 8027539968.
The previous prime is 20305000483. The next prime is 20305000511. The reversal of 20305000510 is 1500050302.
It is a super-2 number, since 2×203050005102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20305000511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380644 + ... + 430696.
It is an arithmetic number, because the mean of its divisors is an integer number (1155496590).
Almost surely, 220305000510 is an apocalyptic number.
20305000510 is a deficient number, since it is larger than the sum of its proper divisors (16670890370).
20305000510 is a wasteful number, since it uses less digits than its factorization.
20305000510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50532.
The product of its (nonzero) digits is 150, while the sum is 16.
Adding to 20305000510 its reverse (1500050302), we get a palindrome (21805050812).
The spelling of 20305000510 in words is "twenty billion, three hundred five million, five hundred ten", and thus it is an aban number.
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