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1020002010211 = 7804913068739
BaseRepresentation
bin11101101011111001101…
…10111000010001100011
310121111210200201211020001
432311330312320101203
5113202431003311321
62100325451000431
7133456413014422
oct16657466702143
93544720654201
101020002010211
113636425a8248
12145824739117
13752551c8442
1437522ad32b9
151b7ec77cc91
hexed7cdb8463

1020002010211 has 4 divisors (see below), whose sum is σ = 1020015157000. Its totient is φ = 1019988863424.

The previous prime is 1020002010193. The next prime is 1020002010217. The reversal of 1020002010211 is 1120102000201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020002010211 - 221 = 1019999913059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020002010217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6456321 + ... + 6612418.

It is an arithmetic number, because the mean of its divisors is an integer number (255003789250).

Almost surely, 21020002010211 is an apocalyptic number.

1020002010211 is a deficient number, since it is larger than the sum of its proper divisors (13146789).

1020002010211 is an equidigital number, since it uses as much as digits as its factorization.

1020002010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146788.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020002010211 its reverse (1120102000201), we get a palindrome (2140104010412).

The spelling of 1020002010211 in words is "one trillion, twenty billion, two million, ten thousand, two hundred eleven".

Divisors: 1 78049 13068739 1020002010211