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80848237911 = 372841965327
BaseRepresentation
bin100101101001011101…
…1100011010101010111
321201200110020000122220
41023102323203111113
52311034122103121
6101050254153423
75561331453300
oct1132273432527
9251613200586
1080848237911
11313187a4851
1213803ab2873
137815aa703c
143cad69d7a7
152182bc36c6
hex12d2ee3557

80848237911 has 24 divisors (see below), whose sum is σ = 125414081280. Its totient is φ = 46192798512.

The previous prime is 80848237879. The next prime is 80848237913. The reversal of 80848237911 is 11973284808.

It is not a de Polignac number, because 80848237911 - 25 = 80848237879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80848237913) 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, 1204930 + ... + 1270256.

It is an arithmetic number, because the mean of its divisors is an integer number (5225586720).

Almost surely, 280848237911 is an apocalyptic number.

80848237911 is a deficient number, since it is larger than the sum of its proper divisors (44565843369).

80848237911 is a wasteful number, since it uses less digits than its factorization.

80848237911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73763 (or 73756 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 80848237911 in words is "eighty billion, eight hundred forty-eight million, two hundred thirty-seven thousand, nine hundred eleven".

Divisors: 1 3 7 21 49 147 8419 25257 58933 65327 176799 195981 412531 457289 1237593 1371867 3201023 9603069 549988013 1649964039 3849916091 11549748273 26949412637 80848237911