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23381441928 = 23321324980173
BaseRepresentation
bin10101110001101001…
…000111110110001000
32020100111022022112200
4111301221013312020
5340341122120203
614424041240200
71455261656115
oct256151076610
966314268480
1023381441928
119a0923a429
124646493060
132288103750
1411bb42190c
1591ca599a3
hex571a47d88

23381441928 has 48 divisors (see below), whose sum is σ = 68195875020. Its totient is φ = 7194289536.

The previous prime is 23381441851. The next prime is 23381441989. The reversal of 23381441928 is 82914418332.

It can be written as a sum of positive squares in 2 ways, for example, as 22505400324 + 876041604 = 150018^2 + 29598^2 .

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 12489151 + ... + 12491022.

Almost surely, 223381441928 is an apocalyptic number.

It is an amenable number.

23381441928 is an abundant number, since it is smaller than the sum of its proper divisors (44814433092).

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

23381441928 is a wasteful number, since it uses less digits than its factorization.

23381441928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24980198 (or 24980191 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 23381441928 in words is "twenty-three billion, three hundred eighty-one million, four hundred forty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 36 39 52 72 78 104 117 156 234 312 468 936 24980173 49960346 74940519 99920692 149881038 199841384 224821557 299762076 324742249 449643114 599524152 649484498 899286228 974226747 1298968996 1798572456 1948453494 2597937992 2922680241 3896906988 5845360482 7793813976 11690720964 23381441928