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23330443040 = 255145815269
BaseRepresentation
bin10101101110100110…
…100100111100100000
32020012221100022012222
4111232212210330200
5340240043134130
614415020210212
71454102331242
oct255646447440
966187308188
1023330443040
119992477193
124631399968
13227a6887a8
1411b4748092
15918333ce5
hex56e9a4f20

23330443040 has 24 divisors (see below), whose sum is σ = 55118172060. Its totient is φ = 9332177152.

The previous prime is 23330443021. The next prime is 23330443063. The reversal of 23330443040 is 4034403332.

It can be written as a sum of positive squares in 2 ways, for example, as 22635804304 + 694638736 = 150452^2 + 26356^2 .

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 3 ways as a sum of consecutive naturals, for example, 72907475 + ... + 72907794.

Almost surely, 223330443040 is an apocalyptic number.

23330443040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23330443040 is an abundant number, since it is smaller than the sum of its proper divisors (31787729020).

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

23330443040 is a wasteful number, since it uses less digits than its factorization.

23330443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145815284 (or 145815276 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 23330443040 its reverse (4034403332), we get a palindrome (27364846372).

The spelling of 23330443040 in words is "twenty-three billion, three hundred thirty million, four hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 145815269 291630538 583261076 729076345 1166522152 1458152690 2333044304 2916305380 4666088608 5832610760 11665221520 23330443040