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972100485101 is a prime number
BaseRepresentation
bin11100010010101011011…
…01000011111111101101
310102221011100120012222102
432021111231003333231
5111411330211010401
62022324331024445
7130142361534314
oct16112555037755
93387140505872
10972100485101
113452a1421469
1213849659b125
1370890131345
143509ad7327b
151a44724d56b
hexe255b43fed

972100485101 has 2 divisors, whose sum is σ = 972100485102. Its totient is φ = 972100485100.

The previous prime is 972100485067. The next prime is 972100485137. The reversal of 972100485101 is 101584001279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605953264900 + 366147220201 = 778430^2 + 605101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-972100485101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972100385101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486050242550 + 486050242551.

It is an arithmetic number, because the mean of its divisors is an integer number (486050242551).

Almost surely, 2972100485101 is an apocalyptic number.

It is an amenable number.

972100485101 is a deficient number, since it is larger than the sum of its proper divisors (1).

972100485101 is an equidigital number, since it uses as much as digits as its factorization.

972100485101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 972100485101 in words is "nine hundred seventy-two billion, one hundred million, four hundred eighty-five thousand, one hundred one".