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23113444432 = 2413111122329
BaseRepresentation
bin10101100001101010…
…110010110001010000
32012122211000122002111
4111201222302301100
5334314020210212
614341305155104
71445526015241
oct254152626120
965584018074
1023113444432
119890a339a1
12459078ba94
13224472c250
1411939bccc8
1590426cea7
hex561ab2c50

23113444432 has 20 divisors (see below), whose sum is σ = 48227091220. Its totient is φ = 10667743488.

The previous prime is 23113444379. The next prime is 23113444451. The reversal of 23113444432 is 23444431132.

It can be written as a sum of positive squares in 2 ways, for example, as 8223587856 + 14889856576 = 90684^2 + 122024^2 .

It is a super-2 number, since 2×231134444322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23113444394 and 23113444403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55560957 + ... + 55561372.

It is an arithmetic number, because the mean of its divisors is an integer number (2411354561).

Almost surely, 223113444432 is an apocalyptic number.

It is an amenable number.

23113444432 is an abundant number, since it is smaller than the sum of its proper divisors (25113646788).

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

23113444432 is a wasteful number, since it uses less digits than its factorization.

23113444432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111122350 (or 111122344 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 23113444432 its reverse (23444431132), we get a palindrome (46557875564).

The spelling of 23113444432 in words is "twenty-three billion, one hundred thirteen million, four hundred forty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 111122329 222244658 444489316 888978632 1444590277 1777957264 2889180554 5778361108 11556722216 23113444432