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8963505138 = 237213416789
BaseRepresentation
bin10000101100100010…
…00011101111110010
3212010200102020110210
420112101003233302
5121324124131023
64041235004550
7435060352020
oct102621035762
925120366423
108963505138
11388a735095
1218a1a39756
13acb042cc3
14610635710
15376dbd593
hex216443bf2

8963505138 has 16 divisors (see below), whose sum is σ = 20488011840. Its totient is φ = 2561001456.

The previous prime is 8963505091. The next prime is 8963505209. The reversal of 8963505138 is 8315053698.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106708353 + ... + 106708436.

It is an arithmetic number, because the mean of its divisors is an integer number (1280500740).

Almost surely, 28963505138 is an apocalyptic number.

8963505138 is an abundant number, since it is smaller than the sum of its proper divisors (11524506702).

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

8963505138 is a wasteful number, since it uses less digits than its factorization.

8963505138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213416801.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 8963505138 is about 94675.7896085372. The cubic root of 8963505138 is about 2077.2684448414.

The spelling of 8963505138 in words is "eight billion, nine hundred sixty-three million, five hundred five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 213416789 426833578 640250367 1280500734 1493917523 2987835046 4481752569 8963505138