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20069452612 = 22111726830819
BaseRepresentation
bin10010101100001110…
…111000101101000100
31220210200012211022201
4102230032320231010
5312100234440422
613115250004244
71310224350436
oct225416705504
956720184281
1020069452612
118569756880
123a81276684
131b7abb4261
14d85604656
157c6dd9727
hex4ac3b8b44

20069452612 has 24 divisors (see below), whose sum is σ = 40568199840. Its totient is φ = 8585861760.

The previous prime is 20069452609. The next prime is 20069452633. The reversal of 20069452612 is 21625496002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13414662 + ... + 13416157.

It is an arithmetic number, because the mean of its divisors is an integer number (1690341660).

Almost surely, 220069452612 is an apocalyptic number.

20069452612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20069452612 is an abundant number, since it is smaller than the sum of its proper divisors (20498747228).

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

20069452612 is a wasteful number, since it uses less digits than its factorization.

20069452612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830851 (or 26830849 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20069452612 in words is "twenty billion, sixty-nine million, four hundred fifty-two thousand, six hundred twelve".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 26830819 53661638 107323276 295139009 456123923 590278018 912247846 1180556036 1824495692 5017363153 10034726306 20069452612