Search a number
-
+
140545520050 = 252131731249849
BaseRepresentation
bin1000001011100100101…
…0100111000110110010
3111102202212012011120111
42002321022213012302
54300314123120200
6144322110131534
713103564131525
oct2027112470662
9442685164514
10140545520050
1154672311461
12232a44b0baa
131033a8c4320
146b33c72bbc
1539c8a7c0ba
hex20b92a71b2

140545520050 has 48 divisors (see below), whose sum is σ = 283151017800. Its totient is φ = 51593725440.

The previous prime is 140545520021. The next prime is 140545520123. The reversal of 140545520050 is 50025545041.

It can be written as a sum of positive squares in 12 ways, for example, as 92217609 + 140453302441 = 9603^2 + 374771^2 .

It is a super-2 number, since 2×1405455200502 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140545519994 and 140545520021.

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 23 ways as a sum of consecutive naturals, for example, 512475 + ... + 737374.

Almost surely, 2140545520050 is an apocalyptic number.

140545520050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140545520050 is an abundant number, since it is smaller than the sum of its proper divisors (142605497750).

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

140545520050 is a wasteful number, since it uses less digits than its factorization.

140545520050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250047 (or 1250042 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 140545520050 in words is "one hundred forty billion, five hundred forty-five million, five hundred twenty thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 173 325 346 650 865 1730 2249 4325 4498 8650 11245 22490 56225 112450 1249849 2499698 6249245 12498490 16248037 31246225 32496074 62492450 81240185 162480370 216223877 406200925 432447754 812401850 1081119385 2162238770 2810910401 5405596925 5621820802 10811193850 14054552005 28109104010 70272760025 140545520050