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13923580388141 = 26951760521889
BaseRepresentation
bin1100101010011101011000…
…0100000010001100101101
31211022002012020221102221202
43022213112010002030231
53311110443034410031
645340223213335245
72634642205356254
oct312472604021455
954262166842852
1013923580388141
114488a59162176
12168a596a97525
1379ccac8236c8
14361c9501979b
151922b6e1a2cb
hexca9d610232d

13923580388141 has 4 divisors (see below), whose sum is σ = 13975340910300. Its totient is φ = 13871819865984.

The previous prime is 13923580388099. The next prime is 13923580388147. The reversal of 13923580388141 is 14188308532931.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3487799029225 + 10435781358916 = 1867565^2 + 3230446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13923580388141 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 (13923580388147) 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, 25880260676 + ... + 25880261213.

It is an arithmetic number, because the mean of its divisors is an integer number (3493835227575).

Almost surely, 213923580388141 is an apocalyptic number.

It is an amenable number.

13923580388141 is a deficient number, since it is larger than the sum of its proper divisors (51760522159).

13923580388141 is an equidigital number, since it uses as much as digits as its factorization.

13923580388141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51760522158.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 13923580388141 in words is "thirteen trillion, nine hundred twenty-three billion, five hundred eighty million, three hundred eighty-eight thousand, one hundred forty-one".

Divisors: 1 269 51760521889 13923580388141