Search a number
-
+
230000203145500 = 2253601765391691
BaseRepresentation
bin110100010010111100011000…
…011010000010000100011100
31010011100210201121120200021221
4310102330120122002010130
5220121310404001124000
62133100345030503124
766305652305511664
oct6422743032020434
91104323647520257
10230000203145500
11673155a1645647
12219676b6804aa4
139b44c06817068
1440b20d7d711a4
151b8cc76ae461a
hexd12f1868211c

230000203145500 has 48 divisors (see below), whose sum is σ = 503156252053728. Its totient is φ = 91847002800000.

The previous prime is 230000203145441. The next prime is 230000203145507. The reversal of 230000203145500 is 5541302000032.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230000203145507) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 382395346 + ... + 382996345.

It is an arithmetic number, because the mean of its divisors is an integer number (10482421917786).

Almost surely, 2230000203145500 is an apocalyptic number.

230000203145500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230000203145500 is an abundant number, since it is smaller than the sum of its proper divisors (273156048908228).

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

230000203145500 is a wasteful number, since it uses less digits than its factorization.

230000203145500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765392311 (or 765392299 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 230000203145500 its reverse (5541302000032), we get a palindrome (235541505145532).

The spelling of 230000203145500 in words is "two hundred thirty trillion, two hundred three million, one hundred forty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 601 1202 2404 3005 6010 12020 15025 30050 60100 75125 150250 300500 765391691 1530783382 3061566764 3826958455 7653916910 15307833820 19134792275 38269584550 76539169100 95673961375 191347922750 382695845500 460000406291 920000812582 1840001625164 2300002031455 4600004062910 9200008125820 11500010157275 23000020314550 46000040629100 57500050786375 115000101572750 230000203145500