Search a number
-
+
66310250135 = 5195371185491
BaseRepresentation
bin111101110000011001…
…100001111010010111
320100011021102201121012
4331300121201322113
52041300411001020
650243522442435
74535141553263
oct756031417227
9210137381535
1066310250135
1126138453418
1210a2720341b
136339ba23cc
1432d09830a3
151ad17217c5
hexf70661e97

66310250135 has 32 divisors (see below), whose sum is σ = 86543147520. Its totient is φ = 48613219200.

The previous prime is 66310250107. The next prime is 66310250147. The reversal of 66310250135 is 53105201366.

It is not a de Polignac number, because 66310250135 - 28 = 66310249879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264740 + ... + 450230.

It is an arithmetic number, because the mean of its divisors is an integer number (2704473360).

Almost surely, 266310250135 is an apocalyptic number.

66310250135 is a deficient number, since it is larger than the sum of its proper divisors (20232897385).

66310250135 is a wasteful number, since it uses less digits than its factorization.

66310250135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185639.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 66310250135 in words is "sixty-six billion, three hundred ten million, two hundred fifty thousand, one hundred thirty-five".

Divisors: 1 5 19 53 71 95 265 355 1007 1349 3763 5035 6745 18815 71497 185491 357485 927455 3524329 9831023 13169861 17621645 49155115 65849305 186789437 250227359 698002633 933947185 1251136795 3490013165 13262050027 66310250135