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21210002300001 = 355766312677909
BaseRepresentation
bin1001101001010010101101…
…01001110001110001100001
32210002122201112021002202210
410310221112221301301201
510240001041042100001
6113035423542432333
74316241425616264
oct464512651616141
983078645232683
1021210002300001
11683812539a169
122466782a326a9
13bab12cbb2a48
145347d8d46cdb
1526bac2c35dd6
hex134a56a71c61

21210002300001 has 8 divisors (see below), whose sum is σ = 28280056008960. Its totient is φ = 14139975062192.

The previous prime is 21210002299991. The next prime is 21210002300063. The reversal of 21210002300001 is 10000320001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21210002300001 - 29 = 21210002299489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21210002300001.

It is not an unprimeable number, because it can be changed into a prime (21210002300801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4665966 + ... + 8011943.

It is an arithmetic number, because the mean of its divisors is an integer number (3535007001120).

Almost surely, 221210002300001 is an apocalyptic number.

It is an amenable number.

21210002300001 is a deficient number, since it is larger than the sum of its proper divisors (7070053708959).

21210002300001 is a wasteful number, since it uses less digits than its factorization.

21210002300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13235575.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21210002300001 its reverse (10000320001212), we get a palindrome (31210322301213).

The spelling of 21210002300001 in words is "twenty-one trillion, two hundred ten billion, two million, three hundred thousand, one".

Divisors: 1 3 557663 1672989 12677909 38033727 7070000766667 21210002300001