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20210010000 = 24354673667
BaseRepresentation
bin10010110100100111…
…000100011110010000
31221011110200212210220
4102310213010132100
5312342230310000
613141230353040
71313552151645
oct226447043620
957143625726
1020210010000
118631029704
123b0035b780
131ba10581cb
14d9a151dcc
157d44011a0
hex4b49c4790

20210010000 has 100 divisors (see below), whose sum is σ = 65240703792. Its totient is φ = 5389328000.

The previous prime is 20210009983. The next prime is 20210010053. The reversal of 20210010000 is 1001202.

It is a happy number.

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 (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 306834 + ... + 366833.

Almost surely, 220210010000 is an apocalyptic number.

20210010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210010000 is an abundant number, since it is smaller than the sum of its proper divisors (45030693792).

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

20210010000 is an equidigital number, since it uses as much as digits as its factorization.

20210010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673698 (or 673677 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20210010000 its reverse (1001202), we get a palindrome (20211011202).

The spelling of 20210010000 in words is "twenty billion, two hundred ten million, ten thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 30000 673667 1347334 2021001 2694668 3368335 4042002 5389336 6736670 8084004 10105005 10778672 13473340 16168008 16841675 20210010 26946680 32336016 33683350 40420020 50525025 53893360 67366700 80840040 84208375 101050050 134733400 161680080 168416750 202100100 252625125 269466800 336833500 404200200 421041875 505250250 673667000 808400400 842083750 1010500500 1263125625 1347334000 1684167500 2021001000 2526251250 3368335000 4042002000 5052502500 6736670000 10105005000 20210010000