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52211002220 = 225131483135409
BaseRepresentation
bin110000101000000001…
…001010101101101100
311222202200012201110222
4300220001022231230
51323412004032340
635552502550512
73525560124236
oct605001125554
9158680181428
1052211002220
1120162827813
12a151438438
134c00b54170
142754233256
151558a368b5
hexc2804ab6c

52211002220 has 48 divisors (see below), whose sum is σ = 118157682720. Its totient is φ = 19264766976.

The previous prime is 52211002213. The next prime is 52211002231. The reversal of 52211002220 is 2220011225.

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, 317876 + ... + 453284.

It is an arithmetic number, because the mean of its divisors is an integer number (2461618390).

Almost surely, 252211002220 is an apocalyptic number.

It is an amenable number.

52211002220 is an abundant number, since it is smaller than the sum of its proper divisors (65946680500).

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

52211002220 is a wasteful number, since it uses less digits than its factorization.

52211002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136914 (or 136912 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 52211002220 its reverse (2220011225), we get a palindrome (54431013445).

The spelling of 52211002220 in words is "fifty-two billion, two hundred eleven million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1483 2966 5932 7415 14830 19279 29660 38558 77116 96395 135409 192790 270818 385580 541636 677045 1354090 1760317 2708180 3520634 7041268 8801585 17603170 35206340 200811547 401623094 803246188 1004057735 2008115470 2610550111 4016230940 5221100222 10442200444 13052750555 26105501110 52211002220