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32861062561 is a prime number
BaseRepresentation
bin11110100110101011…
…000000010110100001
310010211010212221101011
4132212223000112201
51014244413000221
623032434340521
72242220265055
oct364653002641
9103733787334
1032861062561
1112a33238748
12645112a741
133139051b22
14183a405c65
15cc4dc61e1
hex7a6ac05a1

32861062561 has 2 divisors, whose sum is σ = 32861062562. Its totient is φ = 32861062560.

The previous prime is 32861062541. The next prime is 32861062601. The reversal of 32861062561 is 16526016823.

It is an a-pointer prime, because the next prime (32861062601) can be obtained adding 32861062561 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17641152400 + 15219910161 = 132820^2 + 123369^2 .

It is an emirp because it is prime and its reverse (16526016823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32861062561 - 217 = 32860931489 is a prime.

It is not a weakly prime, because it can be changed into another prime (32861062541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16430531280 + 16430531281.

It is an arithmetic number, because the mean of its divisors is an integer number (16430531281).

Almost surely, 232861062561 is an apocalyptic number.

It is an amenable number.

32861062561 is a deficient number, since it is larger than the sum of its proper divisors (1).

32861062561 is an equidigital number, since it uses as much as digits as its factorization.

32861062561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 32861062561 in words is "thirty-two billion, eight hundred sixty-one million, sixty-two thousand, five hundred sixty-one".