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20002103000 = 2353111818373
BaseRepresentation
bin10010101000001101…
…111101111011011000
31220121222111010000122
4102220031331323120
5311431014244000
613104442252412
71305446033045
oct225015757330
956558433018
1020002103000
118534736040
123a627b7108
131b69c62c09
14d7a6b21cc
157c1034085
hex4a837ded8

20002103000 has 64 divisors (see below), whose sum is σ = 51059941920. Its totient is φ = 7273488000.

The previous prime is 20002102969. The next prime is 20002103027. The reversal of 20002103000 is 30120002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898187 + ... + 920186.

Almost surely, 220002103000 is an apocalyptic number.

20002103000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002103000 is an abundant number, since it is smaller than the sum of its proper divisors (31057838920).

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

20002103000 is a wasteful number, since it uses less digits than its factorization.

20002103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818405 (or 1818391 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 20002103000 its reverse (30120002), we get a palindrome (20032223002).

The spelling of 20002103000 in words is "twenty billion, two million, one hundred three thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 1818373 3636746 7273492 9091865 14546984 18183730 20002103 36367460 40004206 45459325 72734920 80008412 90918650 100010515 160016824 181837300 200021030 227296625 363674600 400042060 454593250 500052575 800084120 909186500 1000105150 1818373000 2000210300 2500262875 4000420600 5000525750 10001051500 20002103000