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85806406308 = 22371021504837
BaseRepresentation
bin100111111101001110…
…1011101101010100100
322012110222220002001110
41033322131131222210
52401212420000213
6103230253025020
76125235263610
oct1177235355244
9265428802043
1085806406308
1133432530087
1214768485170
13812607a4ac
14421dd92340
1523731155c3
hex13fa75daa4

85806406308 has 24 divisors (see below), whose sum is σ = 228817083712. Its totient is φ = 24516116064.

The previous prime is 85806406307. The next prime is 85806406351. The reversal of 85806406308 is 80360460858.

It is not an unprimeable number, because it can be changed into a prime (85806406307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510752335 + ... + 510752502.

Almost surely, 285806406308 is an apocalyptic number.

It is an amenable number.

85806406308 is an abundant number, since it is smaller than the sum of its proper divisors (143010677404).

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

85806406308 is a wasteful number, since it uses less digits than its factorization.

85806406308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021504851 (or 1021504849 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 85806406308 in words is "eighty-five billion, eight hundred six million, four hundred six thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1021504837 2043009674 3064514511 4086019348 6129029022 7150533859 12258058044 14301067718 21451601577 28602135436 42903203154 85806406308