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1213300022013 = 32891514731613
BaseRepresentation
bin10001101001111110010…
…100010001101011111101
311021222201222001020021100
4101221332110101223331
5124334314301201023
62325214330123313
7153441464011302
oct21517624215375
94258658036240
101213300022013
11428615260522
1217718b880539
138a54bb94511
1442a1ca710a9
1521862652c43
hex11a7e511afd

1213300022013 has 12 divisors (see below), whose sum is σ = 1772235988380. Its totient is φ = 799778291136.

The previous prime is 1213300021979. The next prime is 1213300022023. The reversal of 1213300022013 is 3102200033121.

It can be written as a sum of positive squares in 2 ways, for example, as 104958504729 + 1108341517284 = 323973^2 + 1052778^2 .

It is not a de Polignac number, because 1213300022013 - 217 = 1213299890941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213300022023) 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 11 ways as a sum of consecutive naturals, for example, 757365006 + ... + 757366607.

It is an arithmetic number, because the mean of its divisors is an integer number (147686332365).

Almost surely, 21213300022013 is an apocalyptic number.

It is an amenable number.

1213300022013 is a deficient number, since it is larger than the sum of its proper divisors (558935966367).

1213300022013 is a wasteful number, since it uses less digits than its factorization.

1213300022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514731708 (or 1514731705 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1213300022013 its reverse (3102200033121), we get a palindrome (4315500055134).

The spelling of 1213300022013 in words is "one trillion, two hundred thirteen billion, three hundred million, twenty-two thousand, thirteen".

Divisors: 1 3 9 89 267 801 1514731613 4544194839 13632584517 134811113557 404433340671 1213300022013