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131005056473757 = 32197363667164837
BaseRepresentation
bin11101110010010111111101…
…110110101101101010011101
3122011211221221122002012020200
4131302113331312231222131
5114132341323424130012
61142342520410134113
736410542265604504
oct3562277566555235
9564757848065220
10131005056473757
1138818a290a2754
12128397a8421339
1358139542c351b
14244c96dda783b
151022b1ebbe3dc
hex7725fddada9d

131005056473757 has 48 divisors (see below), whose sum is σ = 201921987284160. Its totient is φ = 81604833682176.

The previous prime is 131005056473701. The next prime is 131005056473771. The reversal of 131005056473757 is 757374650500131.

131005056473757 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 0 + 5 + 0 + 564 + 7 + 3 + 75 + 7 = 666.

It is not a de Polignac number, because 131005056473757 - 26 = 131005056473693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131005056453757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 794672743 + ... + 794837579.

It is an arithmetic number, because the mean of its divisors is an integer number (4206708068420).

Almost surely, 2131005056473757 is an apocalyptic number.

It is an amenable number.

131005056473757 is a deficient number, since it is larger than the sum of its proper divisors (70916930810403).

131005056473757 is a wasteful number, since it uses less digits than its factorization.

131005056473757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228602 (or 228599 counting only the distinct ones).

The product of its (nonzero) digits is 9261000, while the sum is 54.

The spelling of 131005056473757 in words is "one hundred thirty-one trillion, five billion, fifty-six million, four hundred seventy-three thousand, seven hundred fifty-seven".

Divisors: 1 3 9 19 57 73 171 219 657 1387 4161 12483 63667 164837 191001 494511 573003 1209673 1483533 3131903 3629019 4647691 9395709 10887057 12033101 13943073 28187127 36099303 41829219 88306129 108297909 228628919 264918387 685886757 794755161 2057660271 10494677279 31484031837 94452095511 199398868301 598196604903 766111441367 1794589814709 2298334324101 6895002972303 14556117385973 43668352157919 131005056473757