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80803252750550 = 252111271156811063
BaseRepresentation
bin10010010111110101111001…
…001011010100100011010110
3101121002201022121121121112012
4102113311321023110203112
541042340030201004200
6443504300222424222
723006561633624201
oct2227657113244326
9347081277547465
1080803252750550
1123823515706530
129090265a32072
133611938989755
1415d4c80d16938
15951d28598a35
hex497d792d48d6

80803252750550 has 48 divisors (see below), whose sum is σ = 165248146870272. Its totient is φ = 29151638762400.

The previous prime is 80803252750501. The next prime is 80803252750559. The reversal of 80803252750550 is 5505725230808.

It is a super-2 number, since 2×808032527505502 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80803252750559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578335682 + ... + 578475381.

It is an arithmetic number, because the mean of its divisors is an integer number (3442669726464).

Almost surely, 280803252750550 is an apocalyptic number.

80803252750550 is an abundant number, since it is smaller than the sum of its proper divisors (84444894119722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80803252750550 is a wasteful number, since it uses less digits than its factorization.

80803252750550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156811213 (or 1156811208 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 80803252750550 in words is "eighty trillion, eight hundred three billion, two hundred fifty-two million, seven hundred fifty thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 127 254 275 550 635 1270 1397 2794 3175 6350 6985 13970 34925 69850 1156811063 2313622126 5784055315 11568110630 12724921693 25449843386 28920276575 57840553150 63624608465 127249216930 146915005001 293830010002 318123042325 636246084650 734575025005 1469150050010 1616065055011 3232130110022 3672875125025 7345750250050 8080325275055 16160650550110 40401626375275 80803252750550