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3816288138 = 231389549739
BaseRepresentation
bin1110001101110111…
…1110111110001010
3100211222000112011010
43203131332332022
530303432210023
61430404144350
7163366625325
oct34335767612
910758015133
103816288138
111689216843
128a60980b6
1348a84b180
14282bb17bc
15175087093
hexe377ef8a

3816288138 has 32 divisors (see below), whose sum is σ = 8312068800. Its totient is φ = 1161046656.

The previous prime is 3816288109. The next prime is 3816288143. The reversal of 3816288138 is 8318826183.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267928 + ... + 281811.

It is an arithmetic number, because the mean of its divisors is an integer number (259752150).

Almost surely, 23816288138 is an apocalyptic number.

3816288138 is an abundant number, since it is smaller than the sum of its proper divisors (4495780662).

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

3816288138 is a wasteful number, since it uses less digits than its factorization.

3816288138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549846.

The product of its digits is 442368, while the sum is 48.

The square root of 3816288138 is about 61776.1130049471. The cubic root of 3816288138 is about 1562.7171769207.

The spelling of 3816288138 in words is "three billion, eight hundred sixteen million, two hundred eighty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 89 178 267 534 1157 2314 3471 6942 549739 1099478 1649217 3298434 7146607 14293214 21439821 42879642 48926771 97853542 146780313 293560626 636048023 1272096046 1908144069 3816288138