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30023220000000 = 28357617811
BaseRepresentation
bin1101101001110010100110…
…10111001111010100000000
310221022012011211012222100010
412310321103113033110000
512413400023310000000
6143504251000224520
76216051244212213
oct664712327172400
9127265154188303
1030023220000000
119625859a937a7
12344a84b76b140
13139a23cc68b16
1475b1bb18577a
15370e8d593d50
hex1b4e535cf500

30023220000000 has 576 divisors, whose sum is σ = 100166921697024. Its totient is φ = 7983360000000.

The previous prime is 30023219999963. The next prime is 30023220000013. The reversal of 30023220000000 is 2232003.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 37019999595 + ... + 37020000405.

It is an arithmetic number, because the mean of its divisors is an integer number (173900905724).

Almost surely, 230023220000000 is an apocalyptic number.

30023220000000 is a gapful number since it is divisible by the number (30) 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 30023220000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50083460848512).

30023220000000 is an abundant number, since it is smaller than the sum of its proper divisors (70143701697024).

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

30023220000000 is an frugal number, since it uses more digits than its factorization.

30023220000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 30023220000000 its reverse (2232003), we get a palindrome (30023222232003).

The spelling of 30023220000000 in words is "thirty trillion, twenty-three billion, two hundred twenty million", and thus it is an aban number.