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21303231201101 = 121332843534739
BaseRepresentation
bin1001101100000000010111…
…00001110011111101001101
32210102120100210212222111202
410312000023201303331031
510243013004141413401
6113150322545355245
74326051633323543
oct466001341637515
983376323788452
1021303231201101
116873716703463
122480861038b25
13bb6b69952595
145391209d3d93
1526e22c7be06b
hex13600b873f4d

21303231201101 has 8 divisors (see below), whose sum is σ = 21321482679840. Its totient is φ = 21284980859952.

The previous prime is 21303231201071. The next prime is 21303231201137. The reversal of 21303231201101 is 10110213230312.

It is a happy number.

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 21303231201101 - 214 = 21303231184717 is a prime.

It is a super-2 number, since 2×213032312011012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303231201151) 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, 39571190 + ... + 40105928.

It is an arithmetic number, because the mean of its divisors is an integer number (2665185334980).

Almost surely, 221303231201101 is an apocalyptic number.

It is an amenable number.

21303231201101 is a deficient number, since it is larger than the sum of its proper divisors (18251478739).

21303231201101 is a wasteful number, since it uses less digits than its factorization.

21303231201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568795.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21303231201101 its reverse (10110213230312), we get a palindrome (31413444431413).

The spelling of 21303231201101 in words is "twenty-one trillion, three hundred three billion, two hundred thirty-one million, two hundred one thousand, one hundred one".

Divisors: 1 1213 32843 534739 39838559 648638407 17562432977 21303231201101