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80241688106 = 2971932143093
BaseRepresentation
bin100101010111011000…
…1101111111000101010
321200010011220002202022
41022232301233320222
52303313333004411
6100510145504442
75540315044436
oct1125661577052
9250104802668
1080241688106
1131037382a18
1213674942122
13774a227128
143c52ccd9c6
15214980eedb
hex12aec6fe2a

80241688106 has 16 divisors (see below), whose sum is σ = 122233509384. Its totient is φ = 39501471744.

The previous prime is 80241688103. The next prime is 80241688123. The reversal of 80241688106 is 60188614208.

It can be written as a sum of positive squares in 4 ways, for example, as 72627555025 + 7614133081 = 269495^2 + 87259^2 .

It is a super-3 number, since 3×802416881063 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80241688103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034105 + ... + 1108988.

Almost surely, 280241688106 is an apocalyptic number.

80241688106 is a deficient number, since it is larger than the sum of its proper divisors (41991821278).

80241688106 is a wasteful number, since it uses less digits than its factorization.

80241688106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143385.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 80241688106 in words is "eighty billion, two hundred forty-one million, six hundred eighty-eight thousand, one hundred six".

Divisors: 1 2 97 193 194 386 18721 37442 2143093 4286186 207880021 413616949 415760042 827233898 40120844053 80241688106