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80846661552 = 2431684305449
BaseRepresentation
bin100101101001011010…
…1100010011110110000
321201200100020221022020
41023102311202132300
52311033221132202
6101050200311440
75561312166426
oct1132265423660
9251610227266
1080846661552
1131317918478
1213803472580
137815674697
143cad3ad116
1521829b15bc
hex12d2d627b0

80846661552 has 20 divisors (see below), whose sum is σ = 208853875800. Its totient is φ = 26948887168.

The previous prime is 80846661551. The next prime is 80846661583. The reversal of 80846661552 is 25516664808.

It is a junction number, because it is equal to n+sod(n) for n = 80846661495 and 80846661504.

It is not an unprimeable number, because it can be changed into a prime (80846661551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842152677 + ... + 842152772.

It is an arithmetic number, because the mean of its divisors is an integer number (10442693790).

Almost surely, 280846661552 is an apocalyptic number.

It is an amenable number.

80846661552 is an abundant number, since it is smaller than the sum of its proper divisors (128007214248).

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

80846661552 is a wasteful number, since it uses less digits than its factorization.

80846661552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684305460 (or 1684305454 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 80846661552 in words is "eighty billion, eight hundred forty-six million, six hundred sixty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1684305449 3368610898 5052916347 6737221796 10105832694 13474443592 20211665388 26948887184 40423330776 80846661552