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8030821067862 = 2317411920330241
BaseRepresentation
bin111010011011101001000…
…1111001010110001010110
31001102201221201122212121020
41310313102033022301112
52023034110143132422
625025150330302010
71456131142526025
oct164672217126126
931381851585536
108030821067862
11261694114774a
12a98515887906
134633c3107618
141da99db788bc
15ddd77bc895c
hex74dd23cac56

8030821067862 has 32 divisors (see below), whose sum is σ = 17421235955424. Its totient is φ = 2458022707200.

The previous prime is 8030821067831. The next prime is 8030821067921. The reversal of 8030821067862 is 2687601280308.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960160939 + ... + 960169302.

It is an arithmetic number, because the mean of its divisors is an integer number (544413623607).

Almost surely, 28030821067862 is an apocalyptic number.

8030821067862 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8030821067862 is an abundant number, since it is smaller than the sum of its proper divisors (9390414887562).

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

8030821067862 is a wasteful number, since it uses less digits than its factorization.

8030821067862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920330304.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 8030821067862 in words is "eight trillion, thirty billion, eight hundred twenty-one million, sixty-seven thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 17 34 41 51 82 102 123 246 697 1394 2091 4182 1920330241 3840660482 5760990723 11521981446 32645614097 65291228194 78733539881 97936842291 157467079762 195873684582 236200619643 472401239286 1338470177977 2676940355954 4015410533931 8030821067862