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1020202110212 = 22172882527777
BaseRepresentation
bin11101101100010001100…
…10001100110100000100
310121112022122020221211012
432312020302030310010
5113203333220011322
62100401355501352
7133464362566355
oct16661062146404
93545278227735
101020202110212
1136373554934a
1214587b757858
13752877b90cc
14375414ddd2c
151b810106ae2
hexed88c8cd04

1020202110212 has 18 divisors (see below), whose sum is σ = 1896552194922. Its totient is φ = 480095110144.

The previous prime is 1020202110209. The next prime is 1020202110217. The reversal of 1020202110212 is 2120112020201.

It can be written as a sum of positive squares in 3 ways, for example, as 191621560516 + 828580549696 = 437746^2 + 910264^2 .

It is not an unprimeable number, because it can be changed into a prime (1020202110217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441262733 + ... + 441265044.

It is an arithmetic number, because the mean of its divisors is an integer number (105364010829).

Almost surely, 21020202110212 is an apocalyptic number.

It is an amenable number.

1020202110212 is a deficient number, since it is larger than the sum of its proper divisors (876350084710).

1020202110212 is a wasteful number, since it uses less digits than its factorization.

1020202110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882527815 (or 882527796 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020202110212 its reverse (2120112020201), we get a palindrome (3140314130413).

The spelling of 1020202110212 in words is "one trillion, twenty billion, two hundred two million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 289 578 1156 882527777 1765055554 3530111108 15002972209 30005944418 60011888836 255050527553 510101055106 1020202110212