Search a number
-
+
5554120220 = 2251124634957
BaseRepresentation
bin1010010110000110…
…10010011000011100
3112100002001112121022
411023003102120130
542333323321340
62315044023312
7254431146215
oct51303223034
915302045538
105554120220
1123a0179800
1210b0091b38
136a68b258c
143a990440c
152279103b5
hex14b0d261c

5554120220 has 72 divisors (see below), whose sum is σ = 12850660032. Its totient is φ = 2014911360.

The previous prime is 5554120217. The next prime is 5554120249. The reversal of 5554120220 is 220214555.

It is a self number, because there is not a number n which added to its sum of digits gives 5554120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117982 + ... + 1122938.

Almost surely, 25554120220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5554120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6425330016).

5554120220 is an abundant number, since it is smaller than the sum of its proper divisors (7296539812).

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

5554120220 is a wasteful number, since it uses less digits than its factorization.

5554120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451 (or 5438 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 5554120220 is about 74525.9701043871. The cubic root of 5554120220 is about 1770.9450750040.

Adding to 5554120220 its reverse (220214555), we get a palindrome (5774334775).

The spelling of 5554120220 in words is "five billion, five hundred fifty-four million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 463 484 605 926 1210 1852 2315 2420 4630 4957 5093 9260 9914 10186 19828 20372 24785 25465 49570 50930 54527 56023 99140 101860 109054 112046 218108 224092 272635 280115 545270 560230 599797 1090540 1120460 1199594 2295091 2399188 2998985 4590182 5997970 9180364 11475455 11995940 22950910 25246001 45901820 50492002 100984004 126230005 252460010 277706011 504920020 555412022 1110824044 1388530055 2777060110 5554120220