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8020419442 = 271871306193
BaseRepresentation
bin1110111100000110…
…11110001101110010
3202200221211112002221
413132003132031302
5112411211410232
63403505231254
7402516304030
oct73603361562
922627745087
108020419442
113446354922
12167a03252a
139aa842429
145612a1550
1531e1d0897
hex1de0de372

8020419442 has 16 divisors (see below), whose sum is σ = 13756684032. Its totient is φ = 3435474240.

The previous prime is 8020419427. The next prime is 8020419461. The reversal of 8020419442 is 2449140208.

It is a super-2 number, since 2×80204194422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8020419398 and 8020419407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126903 + ... + 179290.

It is an arithmetic number, because the mean of its divisors is an integer number (859792752).

Almost surely, 28020419442 is an apocalyptic number.

8020419442 is a deficient number, since it is larger than the sum of its proper divisors (5736264590).

8020419442 is a wasteful number, since it uses less digits than its factorization.

8020419442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308073.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 8020419442 is about 89556.7945049397. The cubic root of 8020419442 is about 2001.7001744605.

The spelling of 8020419442 in words is "eight billion, twenty million, four hundred nineteen thousand, four hundred forty-two".

Divisors: 1 2 7 14 1871 3742 13097 26194 306193 612386 2143351 4286702 572887103 1145774206 4010209721 8020419442