Search a number
-
+
250232025025 = 52831975031217
BaseRepresentation
bin1110100100001011111…
…1011010111111000001
3212220220002200221121201
43221002333122333001
513044433344300100
6310542140421201
724035661055363
oct3510277327701
9786802627551
10250232025025
1197139500074
12405b6247801
131a79b179ac8
14c17b56cd33
15679839c36a
hex3a42fdafc1

250232025025 has 48 divisors (see below), whose sum is σ = 316507492224. Its totient is φ = 196217262080.

The previous prime is 250232025013. The next prime is 250232025067. The reversal of 250232025025 is 520520232052.

It is not a de Polignac number, because 250232025025 - 27 = 250232024897 is a prime.

It is a super-2 number, since 2×2502320250252 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250232024984 and 250232025002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205613217 + ... + 205614433.

It is an arithmetic number, because the mean of its divisors is an integer number (6593906088).

Almost surely, 2250232025025 is an apocalyptic number.

250232025025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250232025025 is a deficient number, since it is larger than the sum of its proper divisors (66275467199).

250232025025 is a wasteful number, since it uses less digits than its factorization.

250232025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 250232025025 its reverse (520520232052), we get a palindrome (770752257077).

The spelling of 250232025025 in words is "two hundred fifty billion, two hundred thirty-two million, twenty-five thousand, twenty-five".

Divisors: 1 5 25 83 197 415 503 985 1217 2075 2515 4925 6085 12575 16351 30425 41749 81755 99091 101011 208745 239749 408775 495455 505055 612151 1043725 1198745 2477275 2525275 3060755 5993725 8224553 15303775 19899167 41122765 50808533 99495835 120593747 205613825 254042665 497479175 602968735 1270213325 3014843675 10009281001 50046405005 250232025025