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230021031120 = 2435958420963
BaseRepresentation
bin1101011000111001010…
…0100110010011010000
3210222201120011002010220
43112032110212103100
512232040340443440
6253400432553040
722422064335036
oct3261624462320
9728646132126
10230021031120
118960796a221
12386b56b2780
13188c9b68b0a
14b1c1242556
155eb3d548d0
hex358e5264d0

230021031120 has 40 divisors (see below), whose sum is σ = 713065197216. Its totient is φ = 61338941568.

The previous prime is 230021031043. The next prime is 230021031133. The reversal of 230021031120 is 21130120032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230021031120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479210242 + ... + 479210721.

Almost surely, 2230021031120 is an apocalyptic number.

230021031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230021031120 is an abundant number, since it is smaller than the sum of its proper divisors (483044166096).

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

230021031120 is a wasteful number, since it uses less digits than its factorization.

230021031120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958420979 (or 958420973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 230021031120 its reverse (21130120032), we get a palindrome (251151151152).

The spelling of 230021031120 in words is "two hundred thirty billion, twenty-one million, thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 958420963 1916841926 2875262889 3833683852 4792104815 5750525778 7667367704 9584209630 11501051556 14376314445 15334735408 19168419260 23002103112 28752628890 38336838520 46004206224 57505257780 76673677040 115010515560 230021031120