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2548481529217 = 131493131304113
BaseRepresentation
bin100101000101011101010…
…101100001010110000001
3100000122002001121102111211
4211011131111201112001
5313223242232413332
65230431203410121
7352056514402561
oct45053525412601
910018061542454
102548481529217
118a28944257a8
12351ab5383941
13156422993530
148b4c0892da1
154645a00d447
hex2515d561581

2548481529217 has 8 divisors (see below), whose sum is σ = 2746356848424. Its totient is φ = 2350868821248.

The previous prime is 2548481529203. The next prime is 2548481529229. The reversal of 2548481529217 is 7129251848452.

It can be written as a sum of positive squares in 4 ways, for example, as 392873225616 + 2155608303601 = 626796^2 + 1468199^2 .

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 2548481529217 - 235 = 2514121790849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2548481520217) 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, 65632648 + ... + 65671465.

It is an arithmetic number, because the mean of its divisors is an integer number (343294606053).

Almost surely, 22548481529217 is an apocalyptic number.

It is an amenable number.

2548481529217 is a deficient number, since it is larger than the sum of its proper divisors (197875319207).

2548481529217 is a wasteful number, since it uses less digits than its factorization.

2548481529217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131305619.

The product of its digits is 12902400, while the sum is 58.

The spelling of 2548481529217 in words is "two trillion, five hundred forty-eight billion, four hundred eighty-one million, five hundred twenty-nine thousand, two hundred seventeen".

Divisors: 1 13 1493 19409 131304113 1706953469 196037040709 2548481529217