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13530333450 = 235290202223
BaseRepresentation
bin11001001100111100…
…01000000100001010
31021220221201011012010
430212132020010022
5210202231132300
610114334000350
7656202636204
oct144636100412
937827634163
1013530333450
11581357a867
1227573460b6
13137821778a
14924d79774
15542caca50
hex32678810a

13530333450 has 24 divisors (see below), whose sum is σ = 33555227328. Its totient is φ = 3608088880.

The previous prime is 13530333403. The next prime is 13530333451. The reversal of 13530333450 is 5433303531.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13530333451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45100962 + ... + 45101261.

It is an arithmetic number, because the mean of its divisors is an integer number (1398134472).

Almost surely, 213530333450 is an apocalyptic number.

13530333450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13530333450 is an abundant number, since it is smaller than the sum of its proper divisors (20024893878).

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

13530333450 is a wasteful number, since it uses less digits than its factorization.

13530333450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90202238 (or 90202233 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 30.

Adding to 13530333450 its reverse (5433303531), we get a palindrome (18963636981).

The spelling of 13530333450 in words is "thirteen billion, five hundred thirty million, three hundred thirty-three thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 90202223 180404446 270606669 451011115 541213338 902022230 1353033345 2255055575 2706066690 4510111150 6765166725 13530333450