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10320442240 = 27523701117
BaseRepresentation
bin10011001110010010…
…10111001110000000
3222122020201210020111
421213021113032000
5132114013122430
64424030521104
7513515211613
oct114711271600
928566653214
1010320442240
114416691009
122000366194
13c861c4a74
146dc93817a
154060a8c2a
hex267257380

10320442240 has 64 divisors (see below), whose sum is σ = 25745052960. Its totient is φ = 3948685312.

The previous prime is 10320442207. The next prime is 10320442241. The reversal of 10320442240 is 4224402301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320442241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335839 + ... + 365278.

Almost surely, 210320442240 is an apocalyptic number.

10320442240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320442240 is an abundant number, since it is smaller than the sum of its proper divisors (15424610720).

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

10320442240 is an equidigital number, since it uses as much as digits as its factorization.

10320442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701159 (or 701147 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 10320442240 its reverse (4224402301), we get a palindrome (14544844541).

The spelling of 10320442240 in words is "ten billion, three hundred twenty million, four hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 320 368 460 640 736 920 1472 1840 2944 3680 7360 14720 701117 1402234 2804468 3505585 5608936 7011170 11217872 14022340 16125691 22435744 28044680 32251382 44871488 56089360 64502764 80628455 89742976 112178720 129005528 161256910 224357440 258011056 322513820 448714880 516022112 645027640 1032044224 1290055280 2064088448 2580110560 5160221120 10320442240