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80255269872 = 2432557328263
BaseRepresentation
bin100101010111110010…
…1100011101111110000
321200011010110010102200
41022233211203233300
52303330322113442
6100511352543200
75540541352431
oct1125745435760
9250133403380
1080255269872
113104400a118
12136793b1b00
13774cca108b
143c54a27488
15214aae434c
hex12af963bf0

80255269872 has 30 divisors (see below), whose sum is σ = 224603290392. Its totient is φ = 26751756576.

The previous prime is 80255269847. The next prime is 80255269909. The reversal of 80255269872 is 27896255208.

It is a happy number.

80255269872 is a `hidden beast` number, since 8 + 0 + 2 + 552 + 6 + 9 + 87 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278663988 + ... + 278664275.

Almost surely, 280255269872 is an apocalyptic number.

It is an amenable number.

80255269872 is an abundant number, since it is smaller than the sum of its proper divisors (144348020520).

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

80255269872 is a wasteful number, since it uses less digits than its factorization.

80255269872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557328277 (or 557328268 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 80255269872 in words is "eighty billion, two hundred fifty-five million, two hundred sixty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 557328263 1114656526 1671984789 2229313052 3343969578 4458626104 5015954367 6687939156 8917252208 10031908734 13375878312 20063817468 26751756624 40127634936 80255269872