Search a number
-
+
82840752144 = 2432851367577
BaseRepresentation
bin100110100100110110…
…0011001000000010000
321220211022111020100100
41031021230121000100
52324124213032034
6102020112452400
75661604526553
oct1151154310020
9256738436310
1082840752144
1132150499227
121407b24a100
137a72830047
14401c16a69a
15224caa8099
hex1349b19010

82840752144 has 60 divisors (see below), whose sum is σ = 231869714076. Its totient is φ = 27609931776.

The previous prime is 82840752131. The next prime is 82840752161. The reversal of 82840752144 is 44125704828.

82840752144 is a `hidden beast` number, since 8 + 2 + 84 + 0 + 7 + 521 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63195926544 + 19644825600 = 251388^2 + 140160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82840752144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1192084 + ... + 1259660.

Almost surely, 282840752144 is an apocalyptic number.

It is an amenable number.

82840752144 is an abundant number, since it is smaller than the sum of its proper divisors (149028961932).

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

82840752144 is a wasteful number, since it uses less digits than its factorization.

82840752144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76104 (or 76095 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 82840752144 in words is "eighty-two billion, eight hundred forty million, seven hundred fifty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 8513 17026 25539 34052 51078 67577 68104 76617 102156 135154 136208 153234 202731 204312 270308 306468 405462 408624 540616 608193 612936 810924 1081232 1216386 1225872 1621848 2432772 3243696 4865544 9731088 575283001 1150566002 1725849003 2301132004 3451698006 4602264008 5177547009 6903396012 9204528016 10355094018 13806792024 20710188036 27613584048 41420376072 82840752144