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243130312300 = 22523178429133
BaseRepresentation
bin1110001001101110110…
…0100010011001101100
3212020120011120120012111
43202123230202121230
512440412324443200
6303405330213404
723364665361511
oct3423354423154
9766504516174
10243130312300
11941247a51a7
123b153a24264
1319c08a80925
14baa62d7308
1564ceb910ba
hex389bb2266c

243130312300 has 36 divisors (see below), whose sum is σ = 544611906496. Its totient is φ = 94114958400.

The previous prime is 243130312273. The next prime is 243130312333. The reversal of 243130312300 is 3213031342.

243130312300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2431303123002 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39211467 + ... + 39217666.

Almost surely, 2243130312300 is an apocalyptic number.

243130312300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243130312300 is an abundant number, since it is smaller than the sum of its proper divisors (301481594196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243130312300 is a wasteful number, since it uses less digits than its factorization.

243130312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78429178 (or 78429171 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 243130312300 its reverse (3213031342), we get a palindrome (246343343642).

The spelling of 243130312300 in words is "two hundred forty-three billion, one hundred thirty million, three hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 78429133 156858266 313716532 392145665 784291330 1568582660 1960728325 2431303123 3921456650 4862606246 7842913300 9725212492 12156515615 24313031230 48626062460 60782578075 121565156150 243130312300