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230338573640 = 23571607511909
BaseRepresentation
bin1101011010000100111…
…1111011010101001000
3211000112200122220120222
43112201033323111020
512233213133324030
6253452135005212
722433001400010
oct3264117732510
9730480586528
10230338573640
118976013565a
1238783b09808
131894a8995b6
14b2114a0c40
155ed1b7b3e5
hex35a13fb548

230338573640 has 64 divisors (see below), whose sum is σ = 592668921600. Its totient is φ = 78923927808.

The previous prime is 230338573579. The next prime is 230338573643. The reversal of 230338573640 is 46375833032.

It is a happy number.

It is a super-3 number, since 3×2303385736403 (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230338573591 and 230338573600.

It is not an unprimeable number, because it can be changed into a prime (230338573643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194006 + ... + 705914.

It is an arithmetic number, because the mean of its divisors is an integer number (9260451900).

Almost surely, 2230338573640 is an apocalyptic number.

230338573640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230338573640 is an abundant number, since it is smaller than the sum of its proper divisors (362330347960).

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

230338573640 is a wasteful number, since it uses less digits than its factorization.

230338573640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513534 (or 513530 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 230338573640 in words is "two hundred thirty billion, three hundred thirty-eight million, five hundred seventy-three thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1607 3214 6428 8035 11249 12856 16070 22498 32140 44996 56245 64280 89992 112490 224980 449960 511909 1023818 2047636 2559545 3583363 4095272 5119090 7166726 10238180 14333452 17916815 20476360 28666904 35833630 71667260 143334520 822637763 1645275526 3290551052 4113188815 5758464341 6581102104 8226377630 11516928682 16452755260 23033857364 28792321705 32905510520 46067714728 57584643410 115169286820 230338573640