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20050551030 = 2354116301261
BaseRepresentation
bin10010101011000110…
…110010000011110110
31220202100122112020010
4102223012302003312
5312030420113110
613113332521050
71306604604666
oct225306620366
956670575203
1020050551030
11855a016834
123a76a80186
131b76cc6aa3
14d82cc41a6
157c5404020
hex4ab1b20f6

20050551030 has 32 divisors (see below), whose sum is σ = 49295016288. Its totient is φ = 5216403200.

The previous prime is 20050551029. The next prime is 20050551067. The reversal of 20050551030 is 3015505002.

It is a junction number, because it is equal to n+sod(n) for n = 20050550988 and 20050551006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8149401 + ... + 8151860.

It is an arithmetic number, because the mean of its divisors is an integer number (1540469259).

Almost surely, 220050551030 is an apocalyptic number.

20050551030 is an abundant number, since it is smaller than the sum of its proper divisors (29244465258).

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

20050551030 is a wasteful number, since it uses less digits than its factorization.

20050551030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16301312.

The product of its (nonzero) digits is 750, while the sum is 21.

The spelling of 20050551030 in words is "twenty billion, fifty million, five hundred fifty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 16301261 32602522 48903783 81506305 97807566 163012610 244518915 489037830 668351701 1336703402 2005055103 3341758505 4010110206 6683517010 10025275515 20050551030