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20102110000 = 24547287173
BaseRepresentation
bin10010101110001011…
…011101101100110000
31220212221122222211121
4102232023131230300
5312132120010000
613122413552024
71311102054460
oct225613355460
956787588747
1020102110000
118586131855
123a901a5614
131b848a995b
14d89aa5ba0
157c9bdab1a
hex4ae2ddb30

20102110000 has 100 divisors (see below), whose sum is σ = 55622157712. Its totient is φ = 6892128000.

The previous prime is 20102109977. The next prime is 20102110001. The reversal of 20102110000 is 1120102.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (20102110001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73587 + ... + 213586.

Almost surely, 220102110000 is an apocalyptic number.

20102110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102110000 is an abundant number, since it is smaller than the sum of its proper divisors (35520047712).

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

20102110000 is an equidigital number, since it uses as much as digits as its factorization.

20102110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287208 (or 287187 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20102110000 its reverse (1120102), we get a palindrome (20103230102).

The spelling of 20102110000 in words is "twenty billion, one hundred two million, one hundred ten thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 625 700 875 1000 1250 1400 1750 2000 2500 2800 3500 4375 5000 7000 8750 10000 14000 17500 35000 70000 287173 574346 1148692 1435865 2010211 2297384 2871730 4020422 4594768 5743460 7179325 8040844 10051055 11486920 14358650 16081688 20102110 22973840 28717300 32163376 35896625 40204220 50255275 57434600 71793250 80408440 100510550 114869200 143586500 160816880 179483125 201021100 251276375 287173000 358966250 402042200 502552750 574346000 717932500 804084400 1005105500 1256381875 1435865000 2010211000 2512763750 2871730000 4020422000 5025527500 10051055000 20102110000