Search a number
-
+
155122035051144 = 23374513720456509
BaseRepresentation
bin100011010001010100101001…
…110010111100101010001000
3202100020112002100001211200210
4203101110221302330222020
5130313004411433114034
61305530025031201120
744450124431266620
oct4321245162745210
9670215070054623
10155122035051144
1145476981843997
12154938338161a0
136872c396149c5
142a43d374c9880
1512e01305de8e9
hex8d1529cbca88

155122035051144 has 64 divisors (see below), whose sum is σ = 443215655222400. Its totient is φ = 44319597364224.

The previous prime is 155122035051101. The next prime is 155122035051163. The reversal of 155122035051144 is 441150530221551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2645239 + ... + 17811270.

It is an arithmetic number, because the mean of its divisors is an integer number (6925244612850).

Almost surely, 2155122035051144 is an apocalyptic number.

155122035051144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155122035051144 is an abundant number, since it is smaller than the sum of its proper divisors (288093620171256).

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

155122035051144 is a wasteful number, since it uses less digits than its factorization.

155122035051144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501662 (or 20501658 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

Adding to 155122035051144 its reverse (441150530221551), we get a palindrome (596272565272695).

The spelling of 155122035051144 in words is "one hundred fifty-five trillion, one hundred twenty-two billion, thirty-five million, fifty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 45137 90274 135411 180548 270822 315959 361096 541644 631918 947877 1083288 1263836 1895754 2527672 3791508 7583016 20456509 40913018 61369527 81826036 122739054 143195563 163652072 245478108 286391126 429586689 490956216 572782252 859173378 1145564504 1718346756 3436693512 923345446733 1846690893466 2770036340199 3693381786932 5540072680398 6463418127131 7386763573864 11080145360796 12926836254262 19390254381393 22160290721592 25853672508524 38780508762786 51707345017048 77561017525572 155122035051144