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10320203240 = 235258005081
BaseRepresentation
bin10011001110010000…
…11100110111101000
3222122020021122101122
421213020130313220
5132113433000430
64424021434412
7513513165044
oct114710346750
928566248348
1010320203240
114416538496
12200026ba08
13c86140049
146dc8b5024
1540605cee5
hex26721cde8

10320203240 has 16 divisors (see below), whose sum is σ = 23220457380. Its totient is φ = 4128081280.

The previous prime is 10320203239. The next prime is 10320203249. The reversal of 10320203240 is 4230202301.

10320203240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9436568164 + 883635076 = 97142^2 + 29726^2 .

It is not an unprimeable number, because it can be changed into a prime (10320203249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 129002501 + ... + 129002580.

Almost surely, 210320203240 is an apocalyptic number.

10320203240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320203240 is an abundant number, since it is smaller than the sum of its proper divisors (12900254140).

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

10320203240 is a wasteful number, since it uses less digits than its factorization.

10320203240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258005092 (or 258005088 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 10320203240 its reverse (4230202301), we get a palindrome (14550405541).

The spelling of 10320203240 in words is "ten billion, three hundred twenty million, two hundred three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 258005081 516010162 1032020324 1290025405 2064040648 2580050810 5160101620 10320203240