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5218554020 = 2251931351957
BaseRepresentation
bin1001101110000110…
…01101000010100100
3111110200122000022112
410313003031002210
541141422212040
62221455420152
7243214656131
oct46703150244
914420560275
105218554020
112238812969
121017824658
136522110b4
14377113588
15208228365
hex1370cd0a4

5218554020 has 24 divisors (see below), whose sum is σ = 11015753784. Its totient is φ = 2076604416.

The previous prime is 5218554017. The next prime is 5218554023. The reversal of 5218554020 is 204558125.

It is an interprime number because it is at equal distance from previous prime (5218554017) and next prime (5218554023).

It can be written as a sum of positive squares in 4 ways, for example, as 23892544 + 5194661476 = 4888^2 + 72074^2 .

It is not an unprimeable number, because it can be changed into a prime (5218554023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672119 + ... + 679838.

It is an arithmetic number, because the mean of its divisors is an integer number (458989741).

Almost surely, 25218554020 is an apocalyptic number.

It is an amenable number.

5218554020 is an abundant number, since it is smaller than the sum of its proper divisors (5797199764).

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

5218554020 is a wasteful number, since it uses less digits than its factorization.

5218554020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352159 (or 1352157 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 5218554020 is about 72239.5599377516. The cubic root of 5218554020 is about 1734.5363055319.

The spelling of 5218554020 in words is "five billion, two hundred eighteen million, five hundred fifty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 1351957 2703914 5407828 6759785 13519570 27039140 260927701 521855402 1043710804 1304638505 2609277010 5218554020