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5318371655 = 55320279901
BaseRepresentation
bin1001111001111111…
…11110100101000111
3111201122110021100222
410330333332211013
541343000343110
62235423054555
7245536261502
oct47477764507
914648407328
105318371655
11228a09a383
12104514145b
13669abc89c
14386498139
15211d93c55
hex13cffe947

5318371655 has 16 divisors (see below), whose sum is σ = 6506326944. Its totient is φ = 4171939200.

The previous prime is 5318371651. The next prime is 5318371657. The reversal of 5318371655 is 5561738135.

It is not a de Polignac number, because 5318371655 - 22 = 5318371651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5318371651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532205 + ... + 542105.

It is an arithmetic number, because the mean of its divisors is an integer number (406645434).

Almost surely, 25318371655 is an apocalyptic number.

5318371655 is a deficient number, since it is larger than the sum of its proper divisors (1187955289).

5318371655 is a wasteful number, since it uses less digits than its factorization.

5318371655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986.

The product of its digits is 378000, while the sum is 44.

The square root of 5318371655 is about 72927.1667830309. The cubic root of 5318371655 is about 1745.5256205937.

The spelling of 5318371655 in words is "five billion, three hundred eighteen million, three hundred seventy-one thousand, six hundred fifty-five".

Divisors: 1 5 53 265 2027 9901 10135 49505 107431 524753 537155 2623765 20069327 100346635 1063674331 5318371655