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7137325669 = 97229321313
BaseRepresentation
bin1101010010110101…
…01111001001100101
3200102102010201012011
412221122233021211
5104104123410134
63140121354221
7341604160435
oct65132571145
920372121164
107137325669
11303291a461
121472338971
138998b7c36
144b9ca62c5
152bb8e3264
hex1a96af265

7137325669 has 8 divisors (see below), whose sum is σ = 7242417560. Its totient is φ = 7032877056.

The previous prime is 7137325651. The next prime is 7137325673. The reversal of 7137325669 is 9665237317.

It can be written as a sum of positive squares in 4 ways, for example, as 688432644 + 6448893025 = 26238^2 + 80305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7137325669 - 215 = 7137292901 is a prime.

It is a super-2 number, since 2×71373256692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7137325969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138444 + ... + 182869.

It is an arithmetic number, because the mean of its divisors is an integer number (905302195).

Almost surely, 27137325669 is an apocalyptic number.

It is an amenable number.

7137325669 is a deficient number, since it is larger than the sum of its proper divisors (105091891).

7137325669 is a wasteful number, since it uses less digits than its factorization.

7137325669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321639.

The product of its digits is 1428840, while the sum is 49.

The square root of 7137325669 is about 84482.6944941980. The cubic root of 7137325669 is about 1925.3595252700.

The spelling of 7137325669 in words is "seven billion, one hundred thirty-seven million, three hundred twenty-five thousand, six hundred sixty-nine".

Divisors: 1 97 229 22213 321313 31167361 73580677 7137325669