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20002100210 = 2517379310447
BaseRepresentation
bin10010101000001101…
…111101001111110010
31220121222110222012022
4102220031331033302
5311431014201320
613104442231442
71305446021651
oct225015751762
956558428168
1020002100210
118534733a34
123a627b5582
131b69c61871
14d7a6b1198
157c1033325
hex4a837d3f2

20002100210 has 32 divisors (see below), whose sum is σ = 38222357760. Its totient is φ = 7510309632.

The previous prime is 20002100207. The next prime is 20002100257. The reversal of 20002100210 is 1200120002.

It is a Curzon 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, 90794 + ... + 219653.

It is an arithmetic number, because the mean of its divisors is an integer number (1194448680).

Almost surely, 220002100210 is an apocalyptic number.

20002100210 is a deficient number, since it is larger than the sum of its proper divisors (18220257550).

20002100210 is a wasteful number, since it uses less digits than its factorization.

20002100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310850.

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

Adding to 20002100210 its reverse (1200120002), we get a palindrome (21202220212).

The spelling of 20002100210 in words is "twenty billion, two million, one hundred thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 379 758 1895 3790 6443 12886 32215 64430 310447 620894 1552235 3104470 5277599 10555198 26387995 52775990 117659413 235318826 588297065 1176594130 2000210021 4000420042 10001050105 20002100210