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13738349109631 = 35311389067121
BaseRepresentation
bin1100011111101011010101…
…1010110010000101111111
31210122101002011121112200011
43013322311122302011333
53300042114333002011
645115151020244051
72615364045442306
oct307726532620577
953571064545604
1013738349109631
114417445a07023
12165a7013a0627
137886a01643b3
14356d2255743d
1518c575323621
hexc7eb56b217f

13738349109631 has 4 divisors (see below), whose sum is σ = 13738738212064. Its totient is φ = 13737960007200.

The previous prime is 13738349109619. The next prime is 13738349109647. The reversal of 13738349109631 is 13690194383731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13738349109631 - 29 = 13738349109119 is a prime.

It is a super-2 number, since 2×137383491096312 (a number of 27 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 (13738349109031) 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, 194498250 + ... + 194568871.

It is an arithmetic number, because the mean of its divisors is an integer number (3434684553016).

Almost surely, 213738349109631 is an apocalyptic number.

13738349109631 is a deficient number, since it is larger than the sum of its proper divisors (389102433).

13738349109631 is an equidigital number, since it uses as much as digits as its factorization.

13738349109631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389102432.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 13738349109631 in words is "thirteen trillion, seven hundred thirty-eight billion, three hundred forty-nine million, one hundred nine thousand, six hundred thirty-one".

Divisors: 1 35311 389067121 13738349109631