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80290638175 = 52112411211477
BaseRepresentation
bin100101011000110110…
…0011110100101011111
321200020121000000121211
41022301230132211133
52303413400410200
6100515055005251
75541451110136
oct1126154364537
9250217000554
1080290638175
1131061a76920
1213689209827
137757405677
143c595d291d
15214dc7daba
hex12b1b1e95f

80290638175 has 24 divisors (see below), whose sum is σ = 109062095472. Its totient is φ = 58150848000.

The previous prime is 80290638167. The next prime is 80290638193. The reversal of 80290638175 is 57183609208.

It is not a de Polignac number, because 80290638175 - 23 = 80290638167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539464 + ... + 672013.

It is an arithmetic number, because the mean of its divisors is an integer number (4544253978).

Almost surely, 280290638175 is an apocalyptic number.

80290638175 is a deficient number, since it is larger than the sum of its proper divisors (28771457297).

80290638175 is a wasteful number, since it uses less digits than its factorization.

80290638175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211739 (or 1211734 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 80290638175 in words is "eighty billion, two hundred ninety million, six hundred thirty-eight thousand, one hundred seventy-five".

Divisors: 1 5 11 25 55 241 275 1205 2651 6025 13255 66275 1211477 6057385 13326247 30286925 66631235 291965957 333156175 1459829785 3211625527 7299148925 16058127635 80290638175