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20210021000201 = 291734028307953
BaseRepresentation
bin1001001100001100000110…
…00111110110010000001001
32122120001121010000202010202
410212012003013312100021
510122110110334001301
6110552204441021545
74154061106043624
oct446060307662011
978501533022122
1020210021000201
116492026a86a8a
122324a071848b5
13b37a48763b16
144dc2551aadbb
15250a97e6566b
hex1261831f6409

20210021000201 has 8 divisors (see below), whose sum is σ = 21027767519880. Its totient is φ = 19400331096832.

The previous prime is 20210021000161. The next prime is 20210021000209. The reversal of 20210021000201 is 10200012001202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9225337080976 + 10984683919225 = 3037324^2 + 3314315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20210021000201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210021000209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014148960 + ... + 2014158993.

It is an arithmetic number, because the mean of its divisors is an integer number (2628470939985).

Almost surely, 220210021000201 is an apocalyptic number.

It is an amenable number.

20210021000201 is a deficient number, since it is larger than the sum of its proper divisors (817746519679).

20210021000201 is a wasteful number, since it uses less digits than its factorization.

20210021000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028308155.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20210021000201 its reverse (10200012001202), we get a palindrome (30410033001403).

It can be divided in two parts, 2021002 and 1000201, that added together give a palindrome (3021203).

The spelling of 20210021000201 in words is "twenty trillion, two hundred ten billion, twenty-one million, two hundred one", and thus it is an aban number.

Divisors: 1 29 173 5017 4028307953 116820930637 696897275869 20210021000201