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84931995474 = 2341656131657
BaseRepresentation
bin100111100011001010…
…1110110011101010010
322010020001112101220000
41033012111312131102
52342420042323344
6103003415230430
76064460023104
oct1170625663522
9263201471800
1084931995474
11330239962a7
1214563678416
138016b73231
144179bb7574
152321490a69
hex13c6576752

84931995474 has 40 divisors (see below), whose sum is σ = 190328085948. Its totient is φ = 28308061440.

The previous prime is 84931995439. The next prime is 84931995497. The reversal of 84931995474 is 47459913948.

84931995474 is a `hidden beast` number, since 8 + 49 + 31 + 9 + 95 + 474 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 77815892025 + 7116103449 = 278955^2 + 84357^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2667054 + ... + 2698710.

Almost surely, 284931995474 is an apocalyptic number.

84931995474 is an abundant number, since it is smaller than the sum of its proper divisors (105396090474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84931995474 is a wasteful number, since it uses less digits than its factorization.

84931995474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48232 (or 48223 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 84931995474 in words is "eighty-four billion, nine hundred thirty-one million, nine hundred ninety-five thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 16561 31657 33122 49683 63314 94971 99366 149049 189942 284913 298098 447147 569826 854739 894294 1341441 1709478 2564217 2682882 5128434 524271577 1048543154 1572814731 3145629462 4718444193 9436888386 14155332579 28310665158 42465997737 84931995474