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80708621400 = 233352112149829
BaseRepresentation
bin100101100101010011…
…0111101010001011000
321201022201111202211000
41023022212331101120
52310242401341100
6101024345505000
75555014651131
oct1131246752130
9251281452730
1080708621400
1131256a04900
12137851a2160
1377c2ba2414
143c98d18c88
1521757e5900
hex12ca9bd458

80708621400 has 576 divisors, whose sum is σ = 307988100000. Its totient is φ = 19410969600.

The previous prime is 80708621377. The next prime is 80708621453. The reversal of 80708621400 is 412680708.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 97356186 + ... + 97357014.

Almost surely, 280708621400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80708621400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153994050000).

80708621400 is an abundant number, since it is smaller than the sum of its proper divisors (227279478600).

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

80708621400 is a wasteful number, since it uses less digits than its factorization.

80708621400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 80708621400 in words is "eighty billion, seven hundred eight million, six hundred twenty-one thousand, four hundred".