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21310103002033 = 611493379297489
BaseRepresentation
bin1001101100001101001010…
…00111101001101110110001
32210110020002201101122020101
410312012211013221232301
510243121042332031113
6113153420504112401
74326414134552566
oct466064507515661
983406081348211
1021310103002033
11687662265618a
12248205a465701
13bb76c3520691
145395b34dc86d
1526e4d0c132dd
hex1361a51e9bb1

21310103002033 has 32 divisors (see below), whose sum is σ = 21895981380000. Its totient is φ = 20733186539520.

The previous prime is 21310103001989. The next prime is 21310103002039. The reversal of 21310103002033 is 33020030101312.

It can be written as a sum of positive squares in 16 ways, for example, as 20324435277169 + 985667724864 = 4508263^2 + 992808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21310103002033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21310103002033.

It is not an unprimeable number, because it can be changed into a prime (21310103002039) 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 31 ways as a sum of consecutive naturals, for example, 2845516753 + ... + 2845524241.

It is an arithmetic number, because the mean of its divisors is an integer number (684249418125).

Almost surely, 221310103002033 is an apocalyptic number.

It is an amenable number.

21310103002033 is a deficient number, since it is larger than the sum of its proper divisors (585878377967).

21310103002033 is a wasteful number, since it uses less digits than its factorization.

21310103002033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21310103002033 its reverse (33020030101312), we get a palindrome (54330133103345).

The spelling of 21310103002033 in words is "twenty-one trillion, three hundred ten billion, one hundred three million, two thousand, thirty-three".

Divisors: 1 61 149 337 929 7489 9089 20557 50213 56669 138421 313073 456829 1115861 2523793 3062993 6957281 8443681 19097453 46647877 68067521 153951373 376045157 424394141 1036634869 2344603697 2845520497 22938754577 63234727009 143020825517 349345950853 21310103002033