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80954399316 = 223723314728759
BaseRepresentation
bin100101101100101000…
…0100001101001010100
321201221211222120201210
41023121100201221110
52311243311234231
6101105005421420
75564061016620
oct1133120415124
9251854876653
1080954399316
113137271444a
121383356a870
137831a9713b
143cbd816180
15218c193a46
hex12d9421a54

80954399316 has 192 divisors, whose sum is σ = 237486735360. Its totient is φ = 20954229120.

The previous prime is 80954399303. The next prime is 80954399333. The reversal of 80954399316 is 61399345908.

It is a super-2 number, since 2×809543993162 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2800545 + ... + 2829303.

It is an arithmetic number, because the mean of its divisors is an integer number (1236910080).

Almost surely, 280954399316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80954399316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118743367680).

80954399316 is an abundant number, since it is smaller than the sum of its proper divisors (156532336044).

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

80954399316 is a wasteful number, since it uses less digits than its factorization.

80954399316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28874 (or 28872 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 80954399316 in words is "eighty billion, nine hundred fifty-four million, three hundred ninety-nine thousand, three hundred sixteen".