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20213103130 = 2511472138923
BaseRepresentation
bin10010110100110010…
…110111101000011010
31221011200112000210021
4102310302313220122
5312344023300010
613141420541054
71313620353553
oct226462675032
957150460707
1020213103130
118632851610
123b013b178a
131ba189c06c
14d9a71932a
157d48128da
hex4b4cb7a1a

20213103130 has 32 divisors (see below), whose sum is σ = 39700611648. Its totient is φ = 7348473600.

The previous prime is 20213103121. The next prime is 20213103137. The reversal of 20213103130 is 3130131202.

It is not an unprimeable number, because it can be changed into a prime (20213103137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499849 + ... + 538771.

It is an arithmetic number, because the mean of its divisors is an integer number (1240644114).

Almost surely, 220213103130 is an apocalyptic number.

20213103130 is a deficient number, since it is larger than the sum of its proper divisors (19487508518).

20213103130 is a wasteful number, since it uses less digits than its factorization.

20213103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43662.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20213103130 its reverse (3130131202), we get a palindrome (23343234332).

The spelling of 20213103130 in words is "twenty billion, two hundred thirteen million, one hundred three thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 4721 9442 23605 38923 47210 51931 77846 103862 194615 259655 389230 428153 519310 856306 2140765 4281530 183755483 367510966 918777415 1837554830 2021310313 4042620626 10106551565 20213103130