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131310015502445 = 5132020154084653
BaseRepresentation
bin11101110110110011111110…
…110101000101100001101101
3122012221010002202021222110222
4131312303332311011201231
5114202340402432034240
61143134553252341125
736441556410562553
oct3566637665054155
9565833082258428
10131310015502445
11389262a056266a
12128889166147a5
135836634637020
14245d61d983bd3
15102aa1c8deeb5
hex776cfed4586d

131310015502445 has 8 divisors (see below), whose sum is σ = 169692943110936. Its totient is φ = 96967396063296.

The previous prime is 131310015502429. The next prime is 131310015502451. The reversal of 131310015502445 is 544205510013131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26569303229764 + 104740712272681 = 5154542^2 + 10234291^2 .

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 131310015502445 - 24 = 131310015502429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010077042262 + ... + 1010077042391.

It is an arithmetic number, because the mean of its divisors is an integer number (21211617888867).

Almost surely, 2131310015502445 is an apocalyptic number.

It is an amenable number.

131310015502445 is a deficient number, since it is larger than the sum of its proper divisors (38382927608491).

131310015502445 is a wasteful number, since it uses less digits than its factorization.

131310015502445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020154084671.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 131310015502445 its reverse (544205510013131), we get a palindrome (675515525515576).

The spelling of 131310015502445 in words is "one hundred thirty-one trillion, three hundred ten billion, fifteen million, five hundred two thousand, four hundred forty-five".

Divisors: 1 5 13 65 2020154084653 10100770423265 26262003100489 131310015502445