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32124440020 = 2252299369857
BaseRepresentation
bin11101111010110001…
…000000110111010100
310001220210210122012211
4131322301000313110
51011242324040040
622431402123204
72215034143351
oct357261006724
9101823718184
1032124440020
1112695455292
1262864b0504
13304c55c2ba
1417aa657628
15c803bc8ea
hex77ac40dd4

32124440020 has 24 divisors (see below), whose sum is σ = 67465223784. Its totient is φ = 12849033216.

The previous prime is 32124440003. The next prime is 32124440021. The reversal of 32124440020 is 2004442123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5358825616 + 26765614404 = 73204^2 + 163602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32124439973 and 32124440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32124440021) 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, 424932 + ... + 494788.

It is an arithmetic number, because the mean of its divisors is an integer number (2811050991).

Almost surely, 232124440020 is an apocalyptic number.

It is an amenable number.

32124440020 is an abundant number, since it is smaller than the sum of its proper divisors (35340783764).

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

32124440020 is a wasteful number, since it uses less digits than its factorization.

32124440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92859 (or 92857 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 32124440020 its reverse (2004442123), we get a palindrome (34128882143).

The spelling of 32124440020 in words is "thirty-two billion, one hundred twenty-four million, four hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 20 22993 45986 69857 91972 114965 139714 229930 279428 349285 459860 698570 1397140 1606222001 3212444002 6424888004 8031110005 16062220010 32124440020