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69699066292717 = 192330135848369
BaseRepresentation
bin11111101100100000101000…
…00101100110100111101101
3100010210011110202202111110021
433312100110011212213231
533113422141432331332
6404123150425442141
720452406560232611
oct1766202405464755
9303704422674407
1069699066292717
1120232231964814
127998190340351
132cb779460c1a4
14132d64a711341
1580d07539cc97
hex3f64141669ed

69699066292717 has 12 divisors (see below), whose sum is σ = 73562751215580. Its totient is φ = 66028682950272.

The previous prime is 69699066292703. The next prime is 69699066292727. The reversal of 69699066292717 is 71729266099696.

It can be written as a sum of positive squares in 2 ways, for example, as 44700376275556 + 24998690017161 = 6685834^2 + 4999869^2 .

It is not a de Polignac number, because 69699066292717 - 211 = 69699066290669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69699066292727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8993509 + ... + 14841877.

It is an arithmetic number, because the mean of its divisors is an integer number (6130229267965).

Almost surely, 269699066292717 is an apocalyptic number.

It is an amenable number.

69699066292717 is a deficient number, since it is larger than the sum of its proper divisors (3863684922863).

69699066292717 is a wasteful number, since it uses less digits than its factorization.

69699066292717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881420 (or 5881401 counting only the distinct ones).

The product of its (nonzero) digits is 1666598976, while the sum is 79.

The spelling of 69699066292717 in words is "sixty-nine trillion, six hundred ninety-nine billion, sixty-six million, two hundred ninety-two thousand, seven hundred seventeen".