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80147108280 = 23354091163259
BaseRepresentation
bin100101010100100100…
…0111101000110111000
321122212120220221121210
41022221020331012320
52303120124431110
6100452530403120
75535056115501
oct1125110750670
9248776827553
1080147108280
1130a98a53778
12136491304a0
137733760735
143c4450dba8
15214137b520
hex12a923d1b8

80147108280 has 64 divisors (see below), whose sum is σ = 240501571200. Its totient is φ = 21367207040.

The previous prime is 80147108273. The next prime is 80147108287. The reversal of 80147108280 is 8280174108.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80147108273) and next prime (80147108287).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80147108287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409291 + ... + 572549.

It is an arithmetic number, because the mean of its divisors is an integer number (3757837050).

Almost surely, 280147108280 is an apocalyptic number.

It is an amenable number.

80147108280 is an abundant number, since it is smaller than the sum of its proper divisors (160354462920).

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

80147108280 is a wasteful number, since it uses less digits than its factorization.

80147108280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167364 (or 167360 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The spelling of 80147108280 in words is "eighty billion, one hundred forty-seven million, one hundred eight thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4091 8182 12273 16364 20455 24546 32728 40910 49092 61365 81820 98184 122730 163259 163640 245460 326518 489777 490920 653036 816295 979554 1306072 1632590 1959108 2448885 3265180 3918216 4897770 6530360 9795540 19591080 667892569 1335785138 2003677707 2671570276 3339462845 4007355414 5343140552 6678925690 8014710828 10018388535 13357851380 16029421656 20036777070 26715702760 40073554140 80147108280