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131513351105 = 5145118127271
BaseRepresentation
bin111101001111011001…
…1100111101111000001
3110120110101120110001202
41322132303213233001
54123314404213410
6140225535310545
712334011016463
oct1723663475701
9416411513052
10131513351105
1150857949224
12215a367b455
13c52b58ca66
146518486133
15364ab48ca5
hex1e9ece7bc1

131513351105 has 8 divisors (see below), whose sum is σ = 157924793664. Its totient is φ = 105138166000.

The previous prime is 131513351093. The next prime is 131513351107. The reversal of 131513351105 is 501153315131.

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

It is not a de Polignac number, because 131513351105 - 228 = 131244915649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131513351107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056381 + ... + 9070890.

It is an arithmetic number, because the mean of its divisors is an integer number (19740599208).

Almost surely, 2131513351105 is an apocalyptic number.

It is an amenable number.

131513351105 is a deficient number, since it is larger than the sum of its proper divisors (26411442559).

131513351105 is a wasteful number, since it uses less digits than its factorization.

131513351105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128727.

The product of its (nonzero) digits is 3375, while the sum is 29.

Adding to 131513351105 its reverse (501153315131), we get a palindrome (632666666236).

The spelling of 131513351105 in words is "one hundred thirty-one billion, five hundred thirteen million, three hundred fifty-one thousand, one hundred five".

Divisors: 1 5 1451 7255 18127271 90636355 26302670221 131513351105