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230515463220 = 223576124593659
BaseRepresentation
bin1101011010101111001…
…0101101010000110100
3211001000000111211110220
43112223302231100310
512234043424310340
6253521454214340
722440250052040
oct3265362552064
9731000454426
10230515463220
1189840a73399
12388131b43b0
13189784217a3
14b22ab89020
155ee246ced0
hex35abcad434

230515463220 has 192 divisors, whose sum is σ = 750251980800. Its totient is φ = 51790256640.

The previous prime is 230515463203. The next prime is 230515463249. The reversal of 230515463220 is 22364515032.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62997751 + ... + 63001409.

It is an arithmetic number, because the mean of its divisors is an integer number (3907562400).

Almost surely, 2230515463220 is an apocalyptic number.

230515463220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230515463220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375125990400).

230515463220 is an abundant number, since it is smaller than the sum of its proper divisors (519736517580).

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

230515463220 is a wasteful number, since it uses less digits than its factorization.

230515463220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198 (or 6196 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 230515463220 its reverse (22364515032), we get a palindrome (252879978252).

The spelling of 230515463220 in words is "two hundred thirty billion, five hundred fifteen million, four hundred sixty-three thousand, two hundred twenty".