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8380311142 = 2742323299
BaseRepresentation
bin1111100111000000…
…10110011001100110
3210122001000220201011
413303200112121212
5114130324424032
63503323052434
7414446320000
oct76340263146
923561026634
108380311142
113610515885
12175a67111a
13a3727cab8
14596dc5370
15340ac0247
hex1f3816666

8380311142 has 60 divisors (see below), whose sum is σ = 15334634700. Its totient is φ = 3434365704.

The previous prime is 8380311139. The next prime is 8380311161. The reversal of 8380311142 is 2411130838.

It is a super-2 number, since 2×83803111422 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2538609 + ... + 2541907.

It is an arithmetic number, because the mean of its divisors is an integer number (255577245).

Almost surely, 28380311142 is an apocalyptic number.

8380311142 is a deficient number, since it is larger than the sum of its proper divisors (6954323558).

8380311142 is an equidigital number, since it uses as much as digits as its factorization.

8380311142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8380311142 is about 91544.0393581144. The cubic root of 8380311142 is about 2031.2032422695.

The spelling of 8380311142 in words is "eight billion, three hundred eighty million, three hundred eleven thousand, one hundred forty-two".

Divisors: 1 2 7 14 23 46 49 98 161 322 343 529 686 1058 1127 2254 2401 3299 3703 4802 6598 7406 7889 15778 23093 25921 46186 51842 55223 75877 110446 151754 161651 181447 323302 362894 531139 1062278 1131557 1270129 1745171 2263114 2540258 3490342 3717973 7435946 7920899 12216197 15841798 24432394 26025811 52051622 85513379 171026758 182180677 364361354 598593653 1197187306 4190155571 8380311142