Base | Representation |
---|---|
bin | 10010110001001011… |
… | …101100010000110100 |
3 | 1221000110111010201001 |
4 | 102301023230100310 |
5 | 312233020020200 |
6 | 13131414013044 |
7 | 1312253302051 |
oct | 226113542064 |
9 | 57013433631 |
10 | 20152501300 |
11 | 860161a558 |
12 | 3aa5047184 |
13 | 1b921711a9 |
14 | d92662028 |
15 | 7ce34176a |
hex | 4b12ec434 |
20152501300 has 18 divisors (see below), whose sum is σ = 43730928038. Its totient is φ = 8061000480.
The previous prime is 20152501283. The next prime is 20152501309. The reversal of 20152501300 is 310525102.
It can be written as a sum of positive squares in 3 ways, for example, as 3623799204 + 16528702096 = 60198^2 + 128564^2 .
It is a super-2 number, since 2×201525013002 (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 (20152501309) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100762407 + ... + 100762606.
Almost surely, 220152501300 is an apocalyptic number.
20152501300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20152501300 is an abundant number, since it is smaller than the sum of its proper divisors (23578426738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20152501300 is a wasteful number, since it uses less digits than its factorization.
20152501300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201525027 (or 201525020 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 19.
The spelling of 20152501300 in words is "twenty billion, one hundred fifty-two million, five hundred one thousand, three hundred".
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