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32130504420 = 2235731982171
BaseRepresentation
bin11101111011001000…
…001001011011100100
310001221020012202000020
4131323020021123210
51011300402120140
622432140115140
72215136532000
oct357310113344
9101836182006
1032130504420
1112698917593
126288535ab0
1330508a36c1
1417ab395700
15c80bb96d0
hex77b2096e4

32130504420 has 192 divisors, whose sum is σ = 110439168000. Its totient is φ = 6957498240.

The previous prime is 32130504403. The next prime is 32130504431. The reversal of 32130504420 is 2440503123.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 349935 + ... + 432105.

It is an arithmetic number, because the mean of its divisors is an integer number (575204000).

Almost surely, 232130504420 is an apocalyptic number.

32130504420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32130504420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55219584000).

32130504420 is an abundant number, since it is smaller than the sum of its proper divisors (78308663580).

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

32130504420 is a wasteful number, since it uses less digits than its factorization.

32130504420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82223 (or 82207 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 32130504420 in words is "thirty-two billion, one hundred thirty million, five hundred four thousand, four hundred twenty".