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230011203121 = 7436191113751
BaseRepresentation
bin1101011000110110111…
…1000110111000110001
3210222200212122202122221
43112031233012320301
512232030331444441
6253355442201041
722421614653010
oct3261557067061
9728625582587
10230011203121
1189602367307
12386b2353181
13188c7b0762b
14b1bdc04a77
155eb30628d1
hex358dbc6e31

230011203121 has 32 divisors (see below), whose sum is σ = 273712766976. Its totient is φ = 189189000000.

The previous prime is 230011203091. The next prime is 230011203173. The reversal of 230011203121 is 121302110032.

It is not a de Polignac number, because 230011203121 - 213 = 230011194929 is a prime.

It is a super-2 number, since 2×2300112031212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230011203095 and 230011203104.

It is not an unprimeable number, because it can be changed into a prime (230011203221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16719996 + ... + 16733746.

It is an arithmetic number, because the mean of its divisors is an integer number (8553523968).

Almost surely, 2230011203121 is an apocalyptic number.

It is an amenable number.

230011203121 is a deficient number, since it is larger than the sum of its proper divisors (43701563855).

230011203121 is a wasteful number, since it uses less digits than its factorization.

230011203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14773.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 230011203121 its reverse (121302110032), we get a palindrome (351313313153).

The spelling of 230011203121 in words is "two hundred thirty billion, eleven million, two hundred three thousand, one hundred twenty-one".

Divisors: 1 7 43 61 301 427 911 2623 6377 13751 18361 39173 55571 96257 274211 388997 591293 838811 2389553 4139051 5871677 12527161 16726871 36068873 87690127 252482111 538667923 764156821 3770675461 5349097747 32858743303 230011203121