Search a number
-
+
75840545464 = 23193753254437
BaseRepresentation
bin100011010100001110…
…0101110001010111000
321020202110100220001021
41012220130232022320
52220310134423324
654501330032224
75323253666665
oct1065034561270
9236673326037
1075840545464
112a189013352
1212846a18674
1371c8484008
143956598a6c
151e8d24cae4
hex11a872e2b8

75840545464 has 64 divisors (see below), whose sum is σ = 156632032800. Its totient is φ = 34293901824.

The previous prime is 75840545447. The next prime is 75840545507. The reversal of 75840545464 is 46454504857.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170854 + ... + 425290.

Almost surely, 275840545464 is an apocalyptic number.

75840545464 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

75840545464 is an abundant number, since it is smaller than the sum of its proper divisors (80791487336).

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

75840545464 is a wasteful number, since it uses less digits than its factorization.

75840545464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254552 (or 254548 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 52.

The spelling of 75840545464 in words is "seventy-five billion, eight hundred forty million, five hundred forty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 19 37 38 53 74 76 106 148 152 212 296 424 703 1007 1406 1961 2014 2812 3922 4028 5624 7844 8056 15688 37259 74518 149036 254437 298072 508874 1017748 2035496 4834303 9414169 9668606 13485161 18828338 19337212 26970322 37656676 38674424 53940644 75313352 107881288 178869211 256218059 357738422 498950957 512436118 715476844 997901914 1024872236 1430953688 1995803828 2049744472 3991607656 9480068183 18960136366 37920272732 75840545464