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32130512171 is a prime number
BaseRepresentation
bin11101111011001000…
…001011010100101011
310001221020020010122022
4131323020023110223
51011300402342141
622432140215055
72215136563412
oct357310132453
9101836203568
1032130512171
111269892239a
12628853a48b
1330508a70a4
1417ab398479
15c80bbbb4b
hex77b20b52b

32130512171 has 2 divisors, whose sum is σ = 32130512172. Its totient is φ = 32130512170.

The previous prime is 32130512093. The next prime is 32130512179. The reversal of 32130512171 is 17121503123.

It is a strong prime.

It is an emirp because it is prime and its reverse (17121503123) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32130512171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32130512171.

It is not a weakly prime, because it can be changed into another prime (32130512179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065256085 + 16065256086.

It is an arithmetic number, because the mean of its divisors is an integer number (16065256086).

Almost surely, 232130512171 is an apocalyptic number.

32130512171 is a deficient number, since it is larger than the sum of its proper divisors (1).

32130512171 is an equidigital number, since it uses as much as digits as its factorization.

32130512171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 32130512171 in words is "thirty-two billion, one hundred thirty million, five hundred twelve thousand, one hundred seventy-one".