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80481247049942 = 2227271654138263
BaseRepresentation
bin10010010011001010000000…
…001001000011100011010110
3101112221221011111002011112122
4102103022000021003203112
541022101043221044232
6443100324031015542
722644402220421144
oct2223120011034326
9345857144064478
1080481247049942
11237099a58aa702
12903997a96a5b2
1335ba46ca9122b
1415c345538c594
1594877e032312
hex4932802438d6

80481247049942 has 16 divisors (see below), whose sum is σ = 121701115740672. Its totient is φ = 39915516747240.

The previous prime is 80481247049941. The next prime is 80481247049947. The reversal of 80481247049942 is 24994074218408.

It is a super-2 number, since 2×804812470499422 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80481247049941) 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 7 ways as a sum of consecutive naturals, for example, 326946098 + ... + 327192165.

It is an arithmetic number, because the mean of its divisors is an integer number (7606319733792).

Almost surely, 280481247049942 is an apocalyptic number.

80481247049942 is a deficient number, since it is larger than the sum of its proper divisors (41219868690730).

80481247049942 is a wasteful number, since it uses less digits than its factorization.

80481247049942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654138763.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 80481247049942 in words is "eighty trillion, four hundred eighty-one billion, two hundred forty-seven million, forty-nine thousand, nine hundred forty-two".

Divisors: 1 2 227 271 454 542 61517 123034 654138263 1308276526 148489385701 177271469273 296978771402 354542938546 40240623524971 80481247049942