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485206557262687 = 131559104473229157
BaseRepresentation
bin110111001010010101111010…
…0011111010000001101011111
32100121222021221020011102001101
41232110223310133100031133
51002044111012124401222
64435540452031053531
7204126005544431101
oct15624536437201537
92317867836142041
10485206557262687
11130668a442a1a57
12465043463712a7
1317a97a22143290
1487b61a0895571
153b16509220927
hex1b94af47d035f

485206557262687 has 16 divisors (see below), whose sum is σ = 522872595161280. Its totient is φ = 447589449775872.

The previous prime is 485206557262681. The next prime is 485206557262703. The reversal of 485206557262687 is 786262755602584.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-485206557262687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485206557262681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117239713 + ... + 2117468869.

It is an arithmetic number, because the mean of its divisors is an integer number (32679537197580).

Almost surely, 2485206557262687 is an apocalyptic number.

485206557262687 is a deficient number, since it is larger than the sum of its proper divisors (37666037898593).

485206557262687 is a wasteful number, since it uses less digits than its factorization.

485206557262687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335202.

The product of its (nonzero) digits is 2709504000, while the sum is 73.

The spelling of 485206557262687 in words is "four hundred eighty-five trillion, two hundred six billion, five hundred fifty-seven million, two hundred sixty-two thousand, six hundred eighty-seven".

Divisors: 1 13 1559 20267 104473 229157 1358149 2979041 162873407 357255763 2117354291 4644324919 23940719261 311229350393 37323581327899 485206557262687