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13453352142 = 2323544917891
BaseRepresentation
bin11001000011110000…
…11101110011001110
31021201120212002200120
430201320131303032
5210023024232032
610102544005410
7654246414666
oct144170356316
937646762616
1013453352142
11578408064a
122735600866
1313652a33c9
14918a5b1a6
1553b15362c
hex321e1dcce

13453352142 has 32 divisors (see below), whose sum is σ = 28083283200. Its totient is φ = 4288447680.

The previous prime is 13453352123. The next prime is 13453352147. The reversal of 13453352142 is 24125335431.

Adding to 13453352142 its reverse (24125335431), we get a palindrome (37578687573).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13453352147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743017 + ... + 760907.

It is an arithmetic number, because the mean of its divisors is an integer number (877602600).

Almost surely, 213453352142 is an apocalyptic number.

13453352142 is an abundant number, since it is smaller than the sum of its proper divisors (14629931058).

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

13453352142 is a wasteful number, since it uses less digits than its factorization.

13453352142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23368.

The product of its digits is 43200, while the sum is 33.

The spelling of 13453352142 in words is "thirteen billion, four hundred fifty-three million, three hundred fifty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 5449 10898 16347 17891 32694 35782 53673 107346 125327 250654 375981 411493 751962 822986 1234479 2468958 97488059 194976118 292464177 584928354 2242225357 4484450714 6726676071 13453352142