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7072100688197 is a prime number
BaseRepresentation
bin110011011101001101000…
…0011001010000101000101
3221001002022212010102201102
41212322122003022011011
51411332130234010242
623012513405305445
71326641151001226
oct146723203120505
927032285112642
107072100688197
112287296518566
12962754265285
133c3b8604213c
141a6411c3724d
15c3e65460e32
hex66e9a0ca145

7072100688197 has 2 divisors, whose sum is σ = 7072100688198. Its totient is φ = 7072100688196.

The previous prime is 7072100688157. The next prime is 7072100688209. The reversal of 7072100688197 is 7918860012707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7052630951041 + 19469737156 = 2655679^2 + 139534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7072100688197 is a prime.

It is a super-2 number, since 2×70721006881972 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7072100688157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3536050344098 + 3536050344099.

It is an arithmetic number, because the mean of its divisors is an integer number (3536050344099).

Almost surely, 27072100688197 is an apocalyptic number.

It is an amenable number.

7072100688197 is a deficient number, since it is larger than the sum of its proper divisors (1).

7072100688197 is an equidigital number, since it uses as much as digits as its factorization.

7072100688197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 56.

The spelling of 7072100688197 in words is "seven trillion, seventy-two billion, one hundred million, six hundred eighty-eight thousand, one hundred ninety-seven".