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13487717211357 = 315619287848501
BaseRepresentation
bin1100010001000101101010…
…0101111101110011011101
31202202102011012110221002010
43010101122211331303131
53231440321101230412
644404101033021433
72561312130450444
oct304213245756335
952672135427063
1013487717211357
1143301218182a4
12161a015254879
1376ab6a1bb8cc
14348b47c57d5b
15185ca6cda33c
hexc445a97dcdd

13487717211357 has 8 divisors (see below), whose sum is σ = 17984774404960. Its totient is φ = 8991235746000.

The previous prime is 13487717211323. The next prime is 13487717211401. The reversal of 13487717211357 is 75311271778431.

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

It is not a de Polignac number, because 13487717211357 - 236 = 13418997734621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13487717211297 and 13487717211306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13487717212357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143877394 + ... + 143971107.

It is an arithmetic number, because the mean of its divisors is an integer number (2248096800620).

Almost surely, 213487717211357 is an apocalyptic number.

It is an amenable number.

13487717211357 is a deficient number, since it is larger than the sum of its proper divisors (4497057193603).

13487717211357 is a wasteful number, since it uses less digits than its factorization.

13487717211357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287864123.

The product of its digits is 6914880, while the sum is 57.

Adding to 13487717211357 its reverse (75311271778431), we get a palindrome (88798988989788).

The spelling of 13487717211357 in words is "thirteen trillion, four hundred eighty-seven billion, seven hundred seventeen million, two hundred eleven thousand, three hundred fifty-seven".

Divisors: 1 3 15619 46857 287848501 863545503 4495905737119 13487717211357