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13405154254445 = 518587314423993
BaseRepresentation
bin1100001100010010000101…
…1101010001111001101101
31202110112001020201011011002
43003010201131101321231
53224112223442120240
644302124242210045
72552330135056322
oct303044135217155
952415036634132
1013405154254445
1142a9104117808
121606013053925
137631400b3855
14344b54960b49
15183a73806d15
hexc3121751e6d

13405154254445 has 8 divisors (see below), whose sum is σ = 16086272764536. Its totient is φ = 10724064964096.

The previous prime is 13405154254361. The next prime is 13405154254451. The reversal of 13405154254445 is 54445245150431.

It can be written as a sum of positive squares in 4 ways, for example, as 3867019992676 + 9538134261769 = 1966474^2 + 3088387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13405154254445 - 212 = 13405154250349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13405154254445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6282632 + ... + 8141361.

It is an arithmetic number, because the mean of its divisors is an integer number (2010784095567).

Almost surely, 213405154254445 is an apocalyptic number.

It is an amenable number.

13405154254445 is a deficient number, since it is larger than the sum of its proper divisors (2681118510091).

13405154254445 is a wasteful number, since it uses less digits than its factorization.

13405154254445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14609871.

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 13405154254445 in words is "thirteen trillion, four hundred five billion, one hundred fifty-four million, two hundred fifty-four thousand, four hundred forty-five".

Divisors: 1 5 185873 929365 14423993 72119965 2681030850889 13405154254445