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13175480518321 = 1131187361206221
BaseRepresentation
bin1011111110111010011111…
…0101100000011010110001
31201122120012220001111011211
42333232213311200122301
53211331341003041241
644004422053040121
72526616455401152
oct277564765403261
951576186044154
1013175480518321
11421a7652a5450
1215895b5926041
1374759a194944
143379a78c3929
1517cad0204781
hexbfba7d606b1

13175480518321 has 16 divisors (see below), whose sum is σ = 14837055883776. Its totient is φ = 11591213760000.

The previous prime is 13175480518313. The next prime is 13175480518339. The reversal of 13175480518321 is 12381508457131.

It is a cyclic number.

It is not a de Polignac number, because 13175480518321 - 23 = 13175480518313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13175480518351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63786991 + ... + 63993211.

It is an arithmetic number, because the mean of its divisors is an integer number (927315992736).

Almost surely, 213175480518321 is an apocalyptic number.

13175480518321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13175480518321 is a deficient number, since it is larger than the sum of its proper divisors (1661575365455).

13175480518321 is a wasteful number, since it uses less digits than its factorization.

13175480518321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393624.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 13175480518321 in words is "thirteen trillion, one hundred seventy-five billion, four hundred eighty million, five hundred eighteen thousand, three hundred twenty-one".

Divisors: 1 11 31 341 187361 206221 2060971 2268431 5808191 6392851 63890101 70321361 38637772781 425015500591 1197770956211 13175480518321