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80258085835 = 537433827491
BaseRepresentation
bin100101010111111000…
…0010011001111001011
321200011022202012012121
41022233300103033023
52303332032221320
6100511533152111
75540604321304
oct1125760231713
9250138665177
1080258085835
1131045662864
121367a32b637
137750748a25
143c5515b7ab
15214ae9d8aa
hex12afc133cb

80258085835 has 8 divisors (see below), whose sum is σ = 98912668176. Its totient is φ = 62471158560.

The previous prime is 80258085833. The next prime is 80258085899. The reversal of 80258085835 is 53858085208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80258085835 - 21 = 80258085833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80258085833) 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, 216913561 + ... + 216913930.

It is an arithmetic number, because the mean of its divisors is an integer number (12364083522).

Almost surely, 280258085835 is an apocalyptic number.

80258085835 is a deficient number, since it is larger than the sum of its proper divisors (18654582341).

80258085835 is a wasteful number, since it uses less digits than its factorization.

80258085835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433827533.

The product of its (nonzero) digits is 3072000, while the sum is 52.

The spelling of 80258085835 in words is "eighty billion, two hundred fifty-eight million, eighty-five thousand, eight hundred thirty-five".

Divisors: 1 5 37 185 433827491 2169137455 16051617167 80258085835