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7085432831 = 232691145213
BaseRepresentation
bin1101001100101001…
…10001111111111111
3200021210111021121012
412212110301333333
5104002332322311
63131025225435
7340404120401
oct64624617777
920253437535
107085432831
1130065a6614
121458a9227b
1388bc19109
144b3038b71
152b709278b
hex1a6531fff

7085432831 has 8 divisors (see below), whose sum is σ = 7420986720. Its totient is φ = 6752169952.

The previous prime is 7085432797. The next prime is 7085432833. The reversal of 7085432831 is 1382345807.

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 7085432831 - 210 = 7085431807 is a prime.

It is a super-2 number, since 2×70854328312 (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 (7085432833) 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, 566420 + ... + 578793.

It is an arithmetic number, because the mean of its divisors is an integer number (927623340).

Almost surely, 27085432831 is an apocalyptic number.

7085432831 is a deficient number, since it is larger than the sum of its proper divisors (335553889).

7085432831 is a wasteful number, since it uses less digits than its factorization.

7085432831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145505.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 7085432831 is about 84175.0131036521. The cubic root of 7085432831 is about 1920.6819798653.

The spelling of 7085432831 in words is "seven billion, eighty-five million, four hundred thirty-two thousand, eight hundred thirty-one".

Divisors: 1 23 269 6187 1145213 26339899 308062297 7085432831