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80740350616550 = 25215710285394983
BaseRepresentation
bin10010010110111011010011…
…111010101110001111100110
3101120212200221212011010100112
4102112323103322232033212
541040322214224212200
6443415334403413022
723002204104410342
oct2226732372561746
9346780855133315
1080740350616550
11237a9877032219
129080030084172
133608a22bc2411
1415d1bd4c54622
15950396184535
hex496ed3eae3e6

80740350616550 has 24 divisors (see below), whose sum is σ = 151133593894896. Its totient is φ = 32090432343840.

The previous prime is 80740350616537. The next prime is 80740350616577. The reversal of 80740350616550 is 5561605304708.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5142689642 + ... + 5142705341.

It is an arithmetic number, because the mean of its divisors is an integer number (6297233078954).

Almost surely, 280740350616550 is an apocalyptic number.

80740350616550 is a deficient number, since it is larger than the sum of its proper divisors (70393243278346).

80740350616550 is a wasteful number, since it uses less digits than its factorization.

80740350616550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10285395152 (or 10285395147 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 80740350616550 in words is "eighty trillion, seven hundred forty billion, three hundred fifty million, six hundred sixteen thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 157 314 785 1570 3925 7850 10285394983 20570789966 51426974915 102853949830 257134874575 514269749150 1614807012331 3229614024662 8074035061655 16148070123310 40370175308275 80740350616550