Search a number
-
+
451505314442 = 271326961714947
BaseRepresentation
bin1101001000111111101…
…00000101101010001010
31121011102011220102211102
412210133310011222022
524344140330030232
6543230233501402
744422502564420
oct6443764055212
91534364812742
10451505314442
11164533a85476
1273608271862
1333766211270
1417bd27bb110
15bb284d7662
hex691fd05a8a

451505314442 has 64 divisors (see below), whose sum is σ = 838059022080. Its totient is φ = 177653177856.

The previous prime is 451505314433. The next prime is 451505314459. The reversal of 451505314442 is 244413505154.

It is a junction number, because it is equal to n+sod(n) for n = 451505314396 and 451505314405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30199613 + ... + 30214559.

It is an arithmetic number, because the mean of its divisors is an integer number (13094672220).

Almost surely, 2451505314442 is an apocalyptic number.

451505314442 is a deficient number, since it is larger than the sum of its proper divisors (386553707638).

451505314442 is a wasteful number, since it uses less digits than its factorization.

451505314442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15855.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 451505314442 its reverse (244413505154), we get a palindrome (695918819596).

The spelling of 451505314442 in words is "four hundred fifty-one billion, five hundred five million, three hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 7 13 14 26 91 182 269 538 617 1234 1883 3497 3766 4319 6994 8021 8638 14947 16042 24479 29894 48958 56147 104629 112294 165973 194311 209258 331946 388622 1161811 1360177 2157649 2323622 2720354 4020743 4315298 8041486 9222299 15103543 18444598 28145201 30207086 52269659 56290402 64556093 104539318 119889887 129112186 239779774 365887613 731775226 839229209 1678458418 2480798431 4961596862 17365589017 32250379603 34731178034 64500759206 225752657221 451505314442