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130231723250 = 2533407152899
BaseRepresentation
bin111100101001001101…
…0100110010011110010
3110110011001222000011102
41321102122212103302
54113203310121000
6135454433444402
712260156245226
oct1712232462362
9413131860142
10130231723250
115025a45a252
12212a6410702
13c385bb8295
146436188786
1535c33873d5
hex1e526a64f2

130231723250 has 32 divisors (see below), whose sum is σ = 243866937600. Its totient is φ = 52077058800.

The previous prime is 130231723241. The next prime is 130231723273. The reversal of 130231723250 is 52327132031.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 775301 + ... + 928199.

It is an arithmetic number, because the mean of its divisors is an integer number (7620841800).

Almost surely, 2130231723250 is an apocalyptic number.

130231723250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130231723250 is a deficient number, since it is larger than the sum of its proper divisors (113635214350).

130231723250 is a wasteful number, since it uses less digits than its factorization.

130231723250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156323 (or 156313 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 130231723250 its reverse (52327132031), we get a palindrome (182558855281).

The spelling of 130231723250 in words is "one hundred thirty billion, two hundred thirty-one million, seven hundred twenty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 3407 6814 17035 34070 85175 152899 170350 305798 425875 764495 851750 1528990 3822475 7644950 19112375 38224750 520926893 1041853786 2604634465 5209268930 13023172325 26046344650 65115861625 130231723250