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13627067381 = 98911137771
BaseRepresentation
bin11001011000011110…
…01000101111110101
31022011200201202012022
430230033020233311
5210402012124011
610132111202525
7661456106264
oct145417105765
938150652168
1013627067381
115863140464
122783816445
1313922867a5
14933b5a5db
1554b5198db
hex32c3c8bf5

13627067381 has 4 divisors (see below), whose sum is σ = 13627304064. Its totient is φ = 13626830700.

The previous prime is 13627067371. The next prime is 13627067401. The reversal of 13627067381 is 18376072631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18376072631 = 72625153233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13627067381 is a prime.

It is a super-2 number, since 2×136270673812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13627067371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30026 + ... + 167796.

It is an arithmetic number, because the mean of its divisors is an integer number (3406826016).

Almost surely, 213627067381 is an apocalyptic number.

It is an amenable number.

13627067381 is a deficient number, since it is larger than the sum of its proper divisors (236683).

13627067381 is an equidigital number, since it uses as much as digits as its factorization.

13627067381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236682.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 13627067381 in words is "thirteen billion, six hundred twenty-seven million, sixty-seven thousand, three hundred eighty-one".

Divisors: 1 98911 137771 13627067381