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23120440332 = 22311612871391
BaseRepresentation
bin10101100010000101…
…011110110000001100
32012200022012001122220
4111202011132300030
5334322313042312
614342115135340
71445642333403
oct254205366014
965608161586
1023120440332
119894982030
124592ba4550
13224600b632
1411948c063a
15904ba0c8c
hex56215ec0c

23120440332 has 48 divisors (see below), whose sum is σ = 59816838144. Its totient is φ = 6891336000.

The previous prime is 23120440313. The next prime is 23120440391. The reversal of 23120440332 is 23304402132.

It is a super-2 number, since 2×231204403322 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427644 + ... + 1443747.

It is an arithmetic number, because the mean of its divisors is an integer number (1246184128).

Almost surely, 223120440332 is an apocalyptic number.

23120440332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23120440332 is an abundant number, since it is smaller than the sum of its proper divisors (36696397812).

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

23120440332 is a wasteful number, since it uses less digits than its factorization.

23120440332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871470 (or 2871468 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23120440332 its reverse (23304402132), we get a palindrome (46424842464).

The spelling of 23120440332 in words is "twenty-three billion, one hundred twenty million, four hundred forty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 61 66 122 132 183 244 366 671 732 1342 2013 2684 4026 8052 2871391 5742782 8614173 11485564 17228346 31585301 34456692 63170602 94755903 126341204 175154851 189511806 350309702 379023612 525464553 700619404 1050929106 1926703361 2101858212 3853406722 5780110083 7706813444 11560220166 23120440332