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1230030330 = 23541001011
BaseRepresentation
bin100100101010000…
…1100010111111010
310011201112000101220
41021110030113322
510004341432310
6322015452510
742324041154
oct11124142772
93151460356
101230030330
11581357aa1
122a3b27136
13167aaa1c9
14b9509ad4
1572ebd670
hex4950c5fa

1230030330 has 16 divisors (see below), whose sum is σ = 2952072864. Its totient is φ = 328008080.

The previous prime is 1230030301. The next prime is 1230030337. The reversal of 1230030330 is 330300321.

It is a super-2 number, since 2×12300303302 = 3025949225439817800, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1230030337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20500476 + ... + 20500535.

It is an arithmetic number, because the mean of its divisors is an integer number (184504554).

Almost surely, 21230030330 is an apocalyptic number.

1230030330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230030330 is an abundant number, since it is smaller than the sum of its proper divisors (1722042534).

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

1230030330 is a wasteful number, since it uses less digits than its factorization.

1230030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41001021.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 1230030330 is about 35071.7882349902. The cubic root of 1230030330 is about 1071.4500763430.

Adding to 1230030330 its reverse (330300321), we get a palindrome (1560330651).

The spelling of 1230030330 in words is "one billion, two hundred thirty million, thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41001011 82002022 123003033 205005055 246006066 410010110 615015165 1230030330