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13442532140 = 2251665740351
BaseRepresentation
bin11001000010011110…
…01100001100101100
31021200211111101102202
430201033030030230
5210012242012030
610101520041032
7654055431542
oct144117141454
937624441382
1013442532140
115778a603a4
122731a63178
131362c8553b
14917441d92
1553a217745
hex3213cc32c

13442532140 has 24 divisors (see below), whose sum is σ = 28231711872. Its totient is φ = 5376556800.

The previous prime is 13442532133. The next prime is 13442532217. The reversal of 13442532140 is 4123524431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312965 + ... + 353315.

It is an arithmetic number, because the mean of its divisors is an integer number (1176321328).

Almost surely, 213442532140 is an apocalyptic number.

13442532140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13442532140 is an abundant number, since it is smaller than the sum of its proper divisors (14789179732).

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

13442532140 is a wasteful number, since it uses less digits than its factorization.

13442532140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57017 (or 57015 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 13442532140 in words is "thirteen billion, four hundred forty-two million, five hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 16657 33314 40351 66628 80702 83285 161404 166570 201755 333140 403510 807020 672126607 1344253214 2688506428 3360633035 6721266070 13442532140