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13522242440 = 235748293723
BaseRepresentation
bin11001001011111110…
…10000101110001000
31021220101111002102002
430211333100232020
5210143143224230
610113444330132
7656044110230
oct144577205610
937811432362
1013522242440
115809a53983
1227546a3948
131376643ab5
14923c70cc0
15542210545
hex325fd0b88

13522242440 has 32 divisors (see below), whose sum is σ = 34771481280. Its totient is φ = 4636197312.

The previous prime is 13522242401. The next prime is 13522242443. The reversal of 13522242440 is 4424222531.

13522242440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135222424402 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13522242443) 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 7 ways as a sum of consecutive naturals, for example, 24146582 + ... + 24147141.

It is an arithmetic number, because the mean of its divisors is an integer number (1086608790).

Almost surely, 213522242440 is an apocalyptic number.

13522242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13522242440 is an abundant number, since it is smaller than the sum of its proper divisors (21249238840).

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

13522242440 is a wasteful number, since it uses less digits than its factorization.

13522242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48293741 (or 48293737 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 13522242440 its reverse (4424222531), we get a palindrome (17946464971).

The spelling of 13522242440 in words is "thirteen billion, five hundred twenty-two million, two hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 48293723 96587446 193174892 241468615 338056061 386349784 482937230 676112122 965874460 1352224244 1690280305 1931748920 2704448488 3380560610 6761121220 13522242440