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80745145159 = 764730675813
BaseRepresentation
bin100101100110011001…
…0010010001101000111
321201102021020100222211
41023030302102031013
52310331224121114
6101032132404251
75555640260320
oct1131462221507
9251367210884
1080745145159
1131275590728
1213795476687
1377ca61c903
143c9db05447
152178b0c6c4
hex12ccc92347

80745145159 has 16 divisors (see below), whose sum is σ = 92468832768. Its totient is φ = 69068738592.

The previous prime is 80745145133. The next prime is 80745145171. The reversal of 80745145159 is 95154154708.

It is not a de Polignac number, because 80745145159 - 221 = 80743048007 is a prime.

It is a super-2 number, since 2×807451451592 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80745145199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13887537 + ... + 13893349.

It is an arithmetic number, because the mean of its divisors is an integer number (5779302048).

Almost surely, 280745145159 is an apocalyptic number.

80745145159 is a deficient number, since it is larger than the sum of its proper divisors (11723687609).

80745145159 is a wasteful number, since it uses less digits than its factorization.

80745145159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 80745145159 in words is "eighty billion, seven hundred forty-five million, one hundred forty-five thousand, one hundred fifty-nine".

Divisors: 1 7 647 3067 4529 5813 21469 40691 1984349 3761011 13890443 17828471 26327077 124799297 11535020737 80745145159