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32157900289 is a prime number
BaseRepresentation
bin11101111100110000…
…101001111000000001
310002000010202121002001
4131330300221320001
51011324410302124
622434555224001
72215621433224
oct357460517001
9102003677061
1032157900289
11127023294a9
126295748001
133056476288
1417b0c875bb
15c832cbb44
hex77cc29e01

32157900289 has 2 divisors, whose sum is σ = 32157900290. Its totient is φ = 32157900288.

The previous prime is 32157900253. The next prime is 32157900319. The reversal of 32157900289 is 98200975123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22738227264 + 9419673025 = 150792^2 + 97055^2 .

It is an emirp because it is prime and its reverse (98200975123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32157900289 - 233 = 23567965697 is a prime.

It is not a weakly prime, because it can be changed into another prime (32157906289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16078950144 + 16078950145.

It is an arithmetic number, because the mean of its divisors is an integer number (16078950145).

Almost surely, 232157900289 is an apocalyptic number.

It is an amenable number.

32157900289 is a deficient number, since it is larger than the sum of its proper divisors (1).

32157900289 is an equidigital number, since it uses as much as digits as its factorization.

32157900289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 32157900289 in words is "thirty-two billion, one hundred fifty-seven million, nine hundred thousand, two hundred eighty-nine".