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21102303230101 = 236743931193399
BaseRepresentation
bin1001100110001010000110…
…10010011011100010010101
32202201100201210110111010001
410303011003102123202111
510231220004111330401
6112514133025531301
74305406513622662
oct463050322334225
982640653414101
1021102303230101
1167a6489045985
1224499267a3b31
13ba0c282c5452
1452d4dd594a69
15268dbcb45601
hex13314349b895

21102303230101 has 16 divisors (see below), whose sum is σ = 22399356672000. Its totient is φ = 19838252486448.

The previous prime is 21102303230089. The next prime is 21102303230111. The reversal of 21102303230101 is 10103230320112.

It is a cyclic number.

It is not a de Polignac number, because 21102303230101 - 217 = 21102303099029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102303230111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14920201 + ... + 16273198.

It is an arithmetic number, because the mean of its divisors is an integer number (1399959792000).

Almost surely, 221102303230101 is an apocalyptic number.

It is an amenable number.

21102303230101 is a deficient number, since it is larger than the sum of its proper divisors (1297053441899).

21102303230101 is a wasteful number, since it uses less digits than its factorization.

21102303230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31193928.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21102303230101 its reverse (10103230320112), we get a palindrome (31205533550213).

The spelling of 21102303230101 in words is "twenty-one trillion, one hundred two billion, three hundred three million, two hundred thirty thousand, one hundred one".

Divisors: 1 23 67 439 1541 10097 29413 676499 31193399 717448177 2089957733 13693902161 48069027859 314959749703 917491444787 21102303230101