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16522230020 = 2254120149061
BaseRepresentation
bin11110110001100110…
…10011100100000100
31120122110111020201012
433120303103210010
5232314142330040
611331252421352
71123302431552
oct173063234404
946573436635
1016522230020
117009405a5a
123251317858
13173402278a
14b2a472bd2
1566a7a0865
hex3d8cd3904

16522230020 has 24 divisors (see below), whose sum is σ = 35542945368. Its totient is φ = 6447699200.

The previous prime is 16522229989. The next prime is 16522230029. The reversal of 16522230020 is 2003222561.

It can be written as a sum of positive squares in 4 ways, for example, as 657819904 + 15864410116 = 25648^2 + 125954^2 .

It is not an unprimeable number, because it can be changed into a prime (16522230029) 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, 10073711 + ... + 10075350.

It is an arithmetic number, because the mean of its divisors is an integer number (1480956057).

Almost surely, 216522230020 is an apocalyptic number.

16522230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16522230020 is an abundant number, since it is smaller than the sum of its proper divisors (19020715348).

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

16522230020 is a wasteful number, since it uses less digits than its factorization.

16522230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20149111 (or 20149109 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 16522230020 its reverse (2003222561), we get a palindrome (18525452581).

The spelling of 16522230020 in words is "sixteen billion, five hundred twenty-two million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 20149061 40298122 80596244 100745305 201490610 402981220 826111501 1652223002 3304446004 4130557505 8261115010 16522230020