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7212016117 is a prime number
BaseRepresentation
bin1101011011101111…
…01010000111110101
3200121121200101020001
412231313222013311
5104232234003432
63151350311301
7343502061025
oct65567520765
920547611201
107212016117
113070aa44a9
121493358531
138ac209677
144c5b89a85
152c32489e7
hex1addea1f5

7212016117 has 2 divisors, whose sum is σ = 7212016118. Its totient is φ = 7212016116.

The previous prime is 7212016103. The next prime is 7212016127. The reversal of 7212016117 is 7116102127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6630193476 + 581822641 = 81426^2 + 24121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7212016117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7212016127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606008058 + 3606008059.

It is an arithmetic number, because the mean of its divisors is an integer number (3606008059).

Almost surely, 27212016117 is an apocalyptic number.

It is an amenable number.

7212016117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212016117 is an equidigital number, since it uses as much as digits as its factorization.

7212016117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 7212016117 is about 84923.5898734857. The cubic root of 7212016117 is about 1932.0523789786.

The spelling of 7212016117 in words is "seven billion, two hundred twelve million, sixteen thousand, one hundred seventeen".