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13883188709 = 131067937593
BaseRepresentation
bin11001110111000000…
…01010010111100101
31022211112200001121102
430323200022113211
5211413044014314
610213340525445
71001016104555
oct147340122745
938745601542
1013883188709
115984775185
122835550885
131403360480
14959b8b165
15563c5c5de
hex33b80a5e5

13883188709 has 4 divisors (see below), whose sum is σ = 14951126316. Its totient is φ = 12815251104.

The previous prime is 13883188673. The next prime is 13883188757. The reversal of 13883188709 is 90788138831.

13883188709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90788138831 = 136983702987.

It can be written as a sum of positive squares in 2 ways, for example, as 2769390625 + 11113798084 = 52625^2 + 105422^2 .

It is a cyclic number.

It is not a de Polignac number, because 13883188709 - 28 = 13883188453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883178709) 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 3 ways as a sum of consecutive naturals, for example, 533968784 + ... + 533968809.

It is an arithmetic number, because the mean of its divisors is an integer number (3737781579).

Almost surely, 213883188709 is an apocalyptic number.

It is an amenable number.

13883188709 is a deficient number, since it is larger than the sum of its proper divisors (1067937607).

13883188709 is a wasteful number, since it uses less digits than its factorization.

13883188709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067937606.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 13883188709 in words is "thirteen billion, eight hundred eighty-three million, one hundred eighty-eight thousand, seven hundred nine".

Divisors: 1 13 1067937593 13883188709