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20753771300 = 2252207537713
BaseRepresentation
bin10011010101000001…
…010110101100100100
31222120100212211002022
4103111001112230210
5320000431140200
613311213202312
71333204100603
oct232501265444
958510784068
1020753771300
11888aa65609
124032490398
131c598c2b62
14100c459a3a
15817010885
hex4d5056b24

20753771300 has 18 divisors (see below), whose sum is σ = 45035683938. Its totient is φ = 8301508480.

The previous prime is 20753771293. The next prime is 20753771317. The reversal of 20753771300 is 317735702.

It can be written as a sum of positive squares in 3 ways, for example, as 254977024 + 20498794276 = 15968^2 + 143174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103768757 + ... + 103768956.

It is an arithmetic number, because the mean of its divisors is an integer number (2501982441).

Almost surely, 220753771300 is an apocalyptic number.

20753771300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20753771300 is an abundant number, since it is smaller than the sum of its proper divisors (24281912638).

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

20753771300 is a wasteful number, since it uses less digits than its factorization.

20753771300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207537727 (or 207537720 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 35.

The spelling of 20753771300 in words is "twenty billion, seven hundred fifty-three million, seven hundred seventy-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 207537713 415075426 830150852 1037688565 2075377130 4150754260 5188442825 10376885650 20753771300