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80928921300 = 223521492318077
BaseRepresentation
bin100101101011110111…
…1010101011011010100
321201220002001011110120
41023113233111123110
52311220300440200
6101102255351540
75563331323653
oct1132757253324
9251802034416
1080928921300
113135a2a2437
1213826b225b0
1378297164a6
143cba2a319a
152189d0e9a0
hex12d7bd56d4

80928921300 has 72 divisors (see below), whose sum is σ = 234182990496. Its totient is φ = 21578405760.

The previous prime is 80928921259. The next prime is 80928921301. The reversal of 80928921300 is 312982908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80928921301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4467862 + ... + 4485938.

Almost surely, 280928921300 is an apocalyptic number.

It is an amenable number.

80928921300 is an abundant number, since it is smaller than the sum of its proper divisors (153254069196).

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

80928921300 is a wasteful number, since it uses less digits than its factorization.

80928921300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33017 (or 33010 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 80928921300 in words is "eighty billion, nine hundred twenty-eight million, nine hundred twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 14923 18077 29846 36154 44769 54231 59692 72308 74615 89538 90385 108462 149230 179076 180770 216924 223845 271155 298460 361540 373075 447690 451925 542310 746150 895380 903850 1084620 1119225 1355775 1492300 1807700 2238450 2711550 4476900 5423100 269763071 539526142 809289213 1079052284 1348815355 1618578426 2697630710 3237156852 4046446065 5395261420 6744076775 8092892130 13488153550 16185784260 20232230325 26976307100 40464460650 80928921300