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1021513232212 = 2211293110371837
BaseRepresentation
bin11101101110101101110…
…11101110111101010100
310121122201000100212002021
432313112323232331110
5113214024341412322
62101135433422524
7133542023131444
oct16672673567524
93548630325067
101021513232212
11364248652750
12145b8686aa44
1375436319545
14376276b8124
151b88a2924c7
hexedd6eeef54

1021513232212 has 48 divisors (see below), whose sum is σ = 1958618817792. Its totient is φ = 462313508480.

The previous prime is 1021513232189. The next prime is 1021513232227. The reversal of 1021513232212 is 2122323151201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14183958 + ... + 14255794.

It is an arithmetic number, because the mean of its divisors is an integer number (40804558704).

Almost surely, 21021513232212 is an apocalyptic number.

It is an amenable number.

1021513232212 is a deficient number, since it is larger than the sum of its proper divisors (937105585580).

1021513232212 is a wasteful number, since it uses less digits than its factorization.

1021513232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73248 (or 73246 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1021513232212 its reverse (2122323151201), we get a palindrome (3143836383413).

The spelling of 1021513232212 in words is "one trillion, twenty-one billion, five hundred thirteen million, two hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 293 586 1103 1172 2206 3223 4412 6446 12133 12892 24266 48532 71837 143674 287348 323179 646358 790207 1292716 1580414 3160828 3554969 7109938 14219876 21048241 42096482 79236211 84192964 158472422 231530651 316944844 463061302 871598321 926122604 1743196642 3486393284 23216209823 46432419646 92864839292 255378308053 510756616106 1021513232212