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230303028306240 = 26365987238633
BaseRepresentation
bin110100010111010110011010…
…001100010110000101000000
31010012102202101000112202000000
4310113112122030112011000
5220141241100221244430
62133451430045000000
766336562510064511
oct6427263214260500
91105382330482000
10230303028306240
1167421a69544a2a
12219b632a253000
139b67636a422c6
1440c2a243a6a08
151b95a9c30ce60
hexd1759a316140

230303028306240 has 196 divisors, whose sum is σ = 822237492145044. Its totient is φ = 61414140819456.

The previous prime is 230303028306233. The next prime is 230303028306259. The reversal of 230303028306240 is 42603820303032.

230303028306240 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 0 + 3 + 0 + 28 + 3 + 0 + 624 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87511235305536 + 142791793000704 = 9354744^2 + 11949552^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 230303028306195 and 230303028306204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 493386037 + ... + 493852596.

Almost surely, 2230303028306240 is an apocalyptic number.

230303028306240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230303028306240 is an abundant number, since it is smaller than the sum of its proper divisors (591934463838804).

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

230303028306240 is an frugal number, since it uses more digits than its factorization.

230303028306240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987238668 (or 987238643 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 230303028306240 its reverse (42603820303032), we get a palindrome (272906848609272).

The spelling of 230303028306240 in words is "two hundred thirty trillion, three hundred three billion, twenty-eight million, three hundred six thousand, two hundred forty".