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85445976427 = 767182187583
BaseRepresentation
bin100111110010011111…
…0100010000101101011
322011112212200100012121
41033210332202011223
52344443132221202
6103130415452111
76113300546620
oct1174476420553
9264485610177
1085445976427
1133268031849
1214687827037
1380994b1b86
1441c816c347
15235166b537
hex13e4fa216b

85445976427 has 8 divisors (see below), whose sum is σ = 99110045696. Its totient is φ = 72146282472.

The previous prime is 85445976401. The next prime is 85445976463. The reversal of 85445976427 is 72467954458.

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

It is a cyclic number.

It is not a de Polignac number, because 85445976427 - 215 = 85445943659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85445976727) 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, 91093323 + ... + 91094260.

It is an arithmetic number, because the mean of its divisors is an integer number (12388755712).

Almost surely, 285445976427 is an apocalyptic number.

85445976427 is a deficient number, since it is larger than the sum of its proper divisors (13664069269).

85445976427 is a wasteful number, since it uses less digits than its factorization.

85445976427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182187657.

The product of its digits is 67737600, while the sum is 61.

The spelling of 85445976427 in words is "eighty-five billion, four hundred forty-five million, nine hundred seventy-six thousand, four hundred twenty-seven".

Divisors: 1 7 67 469 182187583 1275313081 12206568061 85445976427