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20210000211 = 32291511932657
BaseRepresentation
bin10010110100100111…
…000010000101010011
31221011110200101101100
4102310213002011103
5312342230001321
613141230235443
71313552111262
oct226447020523
957143611340
1020210000211
118631022315
123b00355b83
131ba105390b
14d9a14c5d9
157d43ed326
hex4b49c2153

20210000211 has 48 divisors (see below), whose sum is σ = 30567850560. Its totient is φ = 12850790400.

The previous prime is 20210000207. The next prime is 20210000267. The reversal of 20210000211 is 11200001202.

It is not a de Polignac number, because 20210000211 - 22 = 20210000207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20210000193 and 20210000202.

It is not an unprimeable number, because it can be changed into a prime (20210000201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7604995 + ... + 7607651.

It is an arithmetic number, because the mean of its divisors is an integer number (636830220).

Almost surely, 220210000211 is an apocalyptic number.

20210000211 is a deficient number, since it is larger than the sum of its proper divisors (10357850349).

20210000211 is a wasteful number, since it uses less digits than its factorization.

20210000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036 (or 3033 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20210000211 its reverse (11200001202), we get a palindrome (31410001413).

Subtracting from 20210000211 its reverse (11200001202), we obtain a palindrome (9009999009).

The spelling of 20210000211 in words is "twenty billion, two hundred ten million, two hundred eleven", and thus it is an aban number.

Divisors: 1 3 9 29 87 151 193 261 453 579 1359 1737 2657 4379 5597 7971 13137 16791 23913 29143 39411 50373 77053 87429 231159 262287 401207 512801 693477 845147 1203621 1538403 2535441 3610863 4615209 7606323 11635003 14871229 34905009 44613687 77432951 104715027 133841061 232298853 696896559 2245555579 6736666737 20210000211