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1693329995 = 57231721803
BaseRepresentation
bin110010011101110…
…0010101001001011
311101000022002001202
41210323202221023
511431443024440
6440005534415
756651032100
oct14473425113
94330262052
101693329995
11799927985
123b311440b
1320ca82616
14120c6aaa7
159d9d7615
hex64ee2a4b

1693329995 has 24 divisors (see below), whose sum is σ = 2371315824. Its totient is φ = 1157424576.

The previous prime is 1693329961. The next prime is 1693329997. The reversal of 1693329995 is 5999233961.

It is not a de Polignac number, because 1693329995 - 28 = 1693329739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1693329995.

It is not an unprimeable number, because it can be changed into a prime (1693329997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66764 + ... + 88566.

It is an arithmetic number, because the mean of its divisors is an integer number (98804826).

Almost surely, 21693329995 is an apocalyptic number.

1693329995 is a deficient number, since it is larger than the sum of its proper divisors (677985829).

1693329995 is a wasteful number, since it uses less digits than its factorization.

1693329995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139 (or 22132 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 56.

The square root of 1693329995 is about 41150.0910691580. The cubic root of 1693329995 is about 1191.9202560931.

The spelling of 1693329995 in words is "one billion, six hundred ninety-three million, three hundred twenty-nine thousand, nine hundred ninety-five".

Divisors: 1 5 7 35 49 245 317 1585 2219 11095 15533 21803 77665 109015 152621 763105 1068347 5341735 6911551 34557755 48380857 241904285 338665999 1693329995