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987059970101 is a prime number
BaseRepresentation
bin11100101110100010101…
…10111110000000110101
310111100202220110210112102
432113101112332000311
5112132444323020401
62033241000431445
7131212160212232
oct16272126760065
93440686423472
10987059970101
11350678690a07
1213b370478585
137210546330a
1435ab9a4c789
151aa2070d56b
hexe5d15be035

987059970101 has 2 divisors, whose sum is σ = 987059970102. Its totient is φ = 987059970100.

The previous prime is 987059970047. The next prime is 987059970163. The reversal of 987059970101 is 101079950789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815407194001 + 171652776100 = 902999^2 + 414310^2 .

It is an emirp because it is prime and its reverse (101079950789) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-987059970101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987059970301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493529985050 + 493529985051.

It is an arithmetic number, because the mean of its divisors is an integer number (493529985051).

Almost surely, 2987059970101 is an apocalyptic number.

It is an amenable number.

987059970101 is a deficient number, since it is larger than the sum of its proper divisors (1).

987059970101 is an equidigital number, since it uses as much as digits as its factorization.

987059970101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 56.

The spelling of 987059970101 in words is "nine hundred eighty-seven billion, fifty-nine million, nine hundred seventy thousand, one hundred one".