Search a number
-
+
131111425445 = 57111341718999
BaseRepresentation
bin111101000011011011…
…0011001010110100101
3110112102101021111201012
41322012312121112211
54122004011103240
6140122020512005
712321030504530
oct1720666312645
9415371244635
10131111425445
1150670a88560
12214b0b4b605
13c496225b20
1464bad3da17
153625704b65
hex1e86d995a5

131111425445 has 128 divisors (see below), whose sum is σ = 219469824000. Its totient is φ = 72559872000.

The previous prime is 131111425427. The next prime is 131111425469. The reversal of 131111425445 is 544524111131.

It is not a de Polignac number, because 131111425445 - 26 = 131111425381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14565056 + ... + 14574054.

It is an arithmetic number, because the mean of its divisors is an integer number (1714608000).

Almost surely, 2131111425445 is an apocalyptic number.

It is an amenable number.

131111425445 is a deficient number, since it is larger than the sum of its proper divisors (88358398555).

131111425445 is a wasteful number, since it uses less digits than its factorization.

131111425445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9147.

The product of its digits is 9600, while the sum is 32.

Adding to 131111425445 its reverse (544524111131), we get a palindrome (675635536576).

The spelling of 131111425445 in words is "one hundred thirty-one billion, one hundred eleven million, four hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 5 7 11 13 35 41 55 65 71 77 91 143 205 287 355 385 451 455 497 533 715 781 923 1001 1435 2255 2485 2665 2911 3157 3731 3905 4615 5005 5467 5863 6461 8999 10153 14555 15785 18655 20377 27335 29315 32021 32305 37843 41041 44995 50765 62993 71071 98989 101885 116987 160105 189215 205205 224147 264901 314965 355355 368959 416273 494945 584935 638929 692923 818909 1120735 1286857 1324505 1844795 2081365 2582713 2913911 3194645 3464615 4058549 4094545 4472503 4796467 6434285 7028219 8306077 9007999 12913565 14569555 20292745 22362515 23982335 26196089 28409843 33575269 35141095 41530385 45039995 49197533 52761137 58142539 91366847 130980445 142049215 167876345 183372623 245987665 263805685 288156979 290712695 340549157 369327959 456834235 639567929 916863115 1440784895 1702745785 1846639795 2017098853 2383844099 3197839645 3746040727 10085494265 11919220495 18730203635 26222285089 131111425445