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117400750721 = 1729317681787
BaseRepresentation
bin110110101010110100…
…0010100101010000001
3102020000212020001210122
41231111220110222001
53410414043010341
6125533321310025
711324204626112
oct1552550245201
9366025201718
10117400750721
1145875732721
121a905335315
13b0bc848047
14597a05c209
1530c1bc294b
hex1b55a14a81

117400750721 has 16 divisors (see below), whose sum is σ = 132741296640. Its totient is φ = 103243203840.

The previous prime is 117400750717. The next prime is 117400750759. The reversal of 117400750721 is 127057004711.

It is a cyclic number.

It is not a de Polignac number, because 117400750721 - 22 = 117400750717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117400950721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3825611 + ... + 3856176.

It is an arithmetic number, because the mean of its divisors is an integer number (8296331040).

Almost surely, 2117400750721 is an apocalyptic number.

It is an amenable number.

117400750721 is a deficient number, since it is larger than the sum of its proper divisors (15340545919).

117400750721 is a wasteful number, since it uses less digits than its factorization.

117400750721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681864.

The product of its (nonzero) digits is 13720, while the sum is 35.

The spelling of 117400750721 in words is "one hundred seventeen billion, four hundred million, seven hundred fifty thousand, seven hundred twenty-one".

Divisors: 1 17 29 31 493 527 899 15283 7681787 130590379 222771823 238135397 3787120991 4048301749 6905926513 117400750721