Search a number
-
+
65738930136 = 23311249011099
BaseRepresentation
bin111101001110010110…
…000111011111011000
320021200110101122220020
4331032112013133120
52034113131231021
650111113230440
74515033454305
oct751626073730
9207613348806
1065738930136
1125974a04230
12108a7a02420
136278708a39
143278b440ac
151a9b4bb7c6
hexf4e5877d8

65738930136 has 32 divisors (see below), whose sum is σ = 179287992000. Its totient is φ = 19920887840.

The previous prime is 65738930107. The next prime is 65738930177. The reversal of 65738930136 is 63103983756.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124505286 + ... + 124505813.

It is an arithmetic number, because the mean of its divisors is an integer number (5602749750).

Almost surely, 265738930136 is an apocalyptic number.

65738930136 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65738930136 is an abundant number, since it is smaller than the sum of its proper divisors (113549061864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65738930136 is a wasteful number, since it uses less digits than its factorization.

65738930136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249011119 (or 249011115 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 65738930136 in words is "sixty-five billion, seven hundred thirty-eight million, nine hundred thirty thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 249011099 498022198 747033297 996044396 1494066594 1992088792 2739122089 2988133188 5478244178 5976266376 8217366267 10956488356 16434732534 21912976712 32869465068 65738930136