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132101861 is a prime number
BaseRepresentation
bin1111101111110…
…11011011100101
3100012120110200112
413313323123211
5232304224421
621035222405
73162563423
oct767733345
9305513615
10132101861
11686280a1
12382a7a05
13214a33a8
141378a113
15b8e645b
hex7dfb6e5

132101861 has 2 divisors, whose sum is σ = 132101862. Its totient is φ = 132101860.

The previous prime is 132101833. The next prime is 132101863. The reversal of 132101861 is 168101231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94965025 + 37136836 = 9745^2 + 6094^2 .

It is a cyclic number.

It is not a de Polignac number, because 132101861 - 218 = 131839717 is a prime.

Together with 132101863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132101863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66050930 + 66050931.

It is an arithmetic number, because the mean of its divisors is an integer number (66050931).

Almost surely, 2132101861 is an apocalyptic number.

It is an amenable number.

132101861 is a deficient number, since it is larger than the sum of its proper divisors (1).

132101861 is an equidigital number, since it uses as much as digits as its factorization.

132101861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 132101861 is about 11493.5573692395. The cubic root of 132101861 is about 509.2952729597.

The spelling of 132101861 in words is "one hundred thirty-two million, one hundred one thousand, eight hundred sixty-one".