Base | Representation |
---|---|
bin | 11100110111111011… |
… | …111100000001011100 |
3 | 2222000200001021121220 |
4 | 130313323330001130 |
5 | 1001443311332200 |
6 | 22124230453340 |
7 | 2145201052350 |
oct | 346773740134 |
9 | 88020037556 |
10 | 31003230300 |
11 | 1216a573889 |
12 | 6012b04250 |
13 | 2c011936b3 |
14 | 1701797460 |
15 | c16c474a0 |
hex | 737efc05c |
31003230300 has 72 divisors (see below), whose sum is σ = 102517355136. Its totient is φ = 7086452160.
The previous prime is 31003230299. The next prime is 31003230301. The reversal of 31003230300 is 303230013.
It is an interprime number because it is at equal distance from previous prime (31003230299) and next prime (31003230301).
It is a super-2 number, since 2×310032303002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 31003230300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31003230301) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7379622 + ... + 7383821.
Almost surely, 231003230300 is an apocalyptic number.
31003230300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31003230300 is an abundant number, since it is smaller than the sum of its proper divisors (71514124836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31003230300 is a wasteful number, since it uses less digits than its factorization.
31003230300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14763467 (or 14763460 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 15.
Adding to 31003230300 its reverse (303230013), we get a palindrome (31306460313).
The spelling of 31003230300 in words is "thirty-one billion, three million, two hundred thirty thousand, three hundred".
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