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1683500193 = 3420783953
BaseRepresentation
bin110010001011000…
…0010110010100001
311100022210200010000
41210112002302201
511421434001233
6435015130213
756501341554
oct14426026241
94308720100
101683500193
11794323681
123ab973969
1320aa2037b
1411d82c69b
159cbe4d13
hex64582ca1

1683500193 has 10 divisors (see below), whose sum is σ = 2514858434. Its totient is φ = 1122333408.

The previous prime is 1683500173. The next prime is 1683500201. The reversal of 1683500193 is 3910053861.

It is a happy number.

1683500193 is a `hidden beast` number, since 1 + 68 + 3 + 500 + 1 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1642437729 + 41062464 = 40527^2 + 6408^2 .

It is not a de Polignac number, because 1683500193 - 26 = 1683500129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1683500153) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10391896 + ... + 10392057.

Almost surely, 21683500193 is an apocalyptic number.

It is an amenable number.

1683500193 is a deficient number, since it is larger than the sum of its proper divisors (831358241).

1683500193 is an equidigital number, since it uses as much as digits as its factorization.

1683500193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20783965 (or 20783956 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1683500193 is about 41030.4788297675. The cubic root of 1683500193 is about 1189.6094080957.

The spelling of 1683500193 in words is "one billion, six hundred eighty-three million, five hundred thousand, one hundred ninety-three".

Divisors: 1 3 9 27 81 20783953 62351859 187055577 561166731 1683500193