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80736850474 = 2721194168993
BaseRepresentation
bin100101100110001001…
…0101001001000101010
321201101200121221211021
41023030102221020222
52310322113203344
6101031234523054
75555506622500
oct1131422511052
9251350557737
1080736850474
1131270935815
121379273648a
1377c89a7307
143c9c986670
15217801eb84
hex12cc4a922a

80736850474 has 24 divisors (see below), whose sum is σ = 140891405508. Its totient is φ = 34598108160.

The previous prime is 80736850429. The next prime is 80736850553. The reversal of 80736850474 is 47405863708.

It can be written as a sum of positive squares in 2 ways, for example, as 72257203249 + 8479647225 = 268807^2 + 92085^2 .

It is a super-2 number, since 2×807368504742 (a number of 23 digits) contains 22 as substring.

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, 1135722 + ... + 1204714.

Almost surely, 280736850474 is an apocalyptic number.

80736850474 is a deficient number, since it is larger than the sum of its proper divisors (60154555034).

80736850474 is a wasteful number, since it uses less digits than its factorization.

80736850474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80950 (or 80943 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 80736850474 in words is "eighty billion, seven hundred thirty-six million, eight hundred fifty thousand, four hundred seventy-four".

Divisors: 1 2 7 14 49 98 11941 23882 68993 83587 137986 167174 482951 585109 965902 1170218 3380657 6761314 823845413 1647690826 5766917891 11533835782 40368425237 80736850474