Search a number
-
+
30223300020 = 2235503721667
BaseRepresentation
bin11100001001011100…
…101111010110110100
32220000022110201102020
4130021130233112310
5443344131100040
621515010113140
72116650545214
oct341134572664
986008421366
1030223300020
11118aa2a0701
125a3587b7b0
132b087198a4
141669d74244
15bbd536cd0
hex70972f5b4

30223300020 has 24 divisors (see below), whose sum is σ = 84625240224. Its totient is φ = 8059546656.

The previous prime is 30223299959. The next prime is 30223300021. The reversal of 30223300020 is 2000332203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223300021) 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 7 ways as a sum of consecutive naturals, for example, 251860774 + ... + 251860893.

It is an arithmetic number, because the mean of its divisors is an integer number (3526051676).

Almost surely, 230223300020 is an apocalyptic number.

30223300020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30223300020 is an abundant number, since it is smaller than the sum of its proper divisors (54401940204).

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

30223300020 is a wasteful number, since it uses less digits than its factorization.

30223300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503721679 (or 503721677 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 30223300020 its reverse (2000332203), we get a palindrome (32223632223).

The spelling of 30223300020 in words is "thirty billion, two hundred twenty-three million, three hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 503721667 1007443334 1511165001 2014886668 2518608335 3022330002 5037216670 6044660004 7555825005 10074433340 15111650010 30223300020