Search a number
-
+
10331321240 = 2352311229697
BaseRepresentation
bin10011001111100101…
…10111001110011000
3222200000012111102102
421213302313032120
5132124304234430
64425100022532
7514006532042
oct114762671630
928600174372
1010331321240
114421841619
122003b31a48
13c88533746
1470016aa92
15407007345
hex267cb7398

10331321240 has 32 divisors (see below), whose sum is σ = 24256147680. Its totient is φ = 3952852992.

The previous prime is 10331321239. The next prime is 10331321249. The reversal of 10331321240 is 4212313301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331321249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5613929 + ... + 5615768.

It is an arithmetic number, because the mean of its divisors is an integer number (758004615).

Almost surely, 210331321240 is an apocalyptic number.

10331321240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10331321240 is an abundant number, since it is smaller than the sum of its proper divisors (13924826440).

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

10331321240 is a wasteful number, since it uses less digits than its factorization.

10331321240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11229731 (or 11229727 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10331321240 its reverse (4212313301), we get a palindrome (14543634541).

The spelling of 10331321240 in words is "ten billion, three hundred thirty-one million, three hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 11229697 22459394 44918788 56148485 89837576 112296970 224593940 258283031 449187880 516566062 1033132124 1291415155 2066264248 2582830310 5165660620 10331321240