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8382293143 = 72315518297
BaseRepresentation
bin1111100111001111…
…11010010010010111
3210122011202121111121
413303213322102113
5114131331340033
63503433344411
7414502213300
oct76347722227
923564677447
108382293143
1136116499a4
12175b268107
13a377c4c93
1459737d7a7
15340d6262d
hex1f39fa497

8382293143 has 12 divisors (see below), whose sum is σ = 10065375552. Its totient is φ = 6953052960.

The previous prime is 8382293119. The next prime is 8382293147. The reversal of 8382293143 is 3413922838.

It is not a de Polignac number, because 8382293143 - 29 = 8382292631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8382293143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8382293147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2757630 + ... + 2760667.

It is an arithmetic number, because the mean of its divisors is an integer number (838781296).

Almost surely, 28382293143 is an apocalyptic number.

8382293143 is a deficient number, since it is larger than the sum of its proper divisors (1683082409).

8382293143 is a wasteful number, since it uses less digits than its factorization.

8382293143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518342 (or 5518335 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 8382293143 is about 91554.8641143659. The cubic root of 8382293143 is about 2031.3633608081.

The spelling of 8382293143 in words is "eight billion, three hundred eighty-two million, two hundred ninety-three thousand, one hundred forty-three".

Divisors: 1 7 31 49 217 1519 5518297 38628079 171067207 270396553 1197470449 8382293143