Search a number
-
+
83668852005 = 3553105243839
BaseRepresentation
bin100110111101100001…
…1010101110100100101
321222222000201001210120
41031323003111310211
52332323211231010
6102234213512153
76021251336064
oct1157303256445
9258860631716
1083668852005
1132535981982
1214270642659
137b7527106b
14409a12c1db
15229a630e70
hex137b0d5d25

83668852005 has 16 divisors (see below), whose sum is σ = 136396016640. Its totient is φ = 43781436608.

The previous prime is 83668851997. The next prime is 83668852039. The reversal of 83668852005 is 50025886638.

It is a cyclic number.

It is not a de Polignac number, because 83668852005 - 23 = 83668851997 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52621125 + ... + 52622714.

It is an arithmetic number, because the mean of its divisors is an integer number (8524751040).

Almost surely, 283668852005 is an apocalyptic number.

It is an amenable number.

83668852005 is a deficient number, since it is larger than the sum of its proper divisors (52727164635).

83668852005 is a wasteful number, since it uses less digits than its factorization.

83668852005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105243900.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 83668852005 in words is "eighty-three billion, six hundred sixty-eight million, eight hundred fifty-two thousand, five".

Divisors: 1 3 5 15 53 159 265 795 105243839 315731517 526219195 1578657585 5577923467 16733770401 27889617335 83668852005