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13530344442 = 232255057407
BaseRepresentation
bin11001001100111100…
…01010101111111010
31021220221201201021020
430212132022233322
5210202232010232
610114334123310
7656203013226
oct144636125772
937827651236
1013530344442
11581358804a
122757350536
13137821c794
14924d7d786
15542cb0e2c
hex32678abfa

13530344442 has 8 divisors (see below), whose sum is σ = 27060688896. Its totient is φ = 4510114812.

The previous prime is 13530344437. The next prime is 13530344447. The reversal of 13530344442 is 24444303531.

It is an interprime number because it is at equal distance from previous prime (13530344437) and next prime (13530344447).

It is a sphenic number, since it is the product of 3 distinct primes.

13530344442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13530344447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127528698 + ... + 1127528709.

It is an arithmetic number, because the mean of its divisors is an integer number (3382586112).

Almost surely, 213530344442 is an apocalyptic number.

13530344442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13530344442 is a wasteful number, since it uses less digits than its factorization.

13530344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255057412.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 13530344442 its reverse (24444303531), we get a palindrome (37974647973).

The spelling of 13530344442 in words is "thirteen billion, five hundred thirty million, three hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 2255057407 4510114814 6765172221 13530344442