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21023211032033 = 73069479784477
BaseRepresentation
bin1001100011110110110010…
…00001101000110111100001
32202102210120201112112020212
410301323121001220313201
510223421014011011113
6112413532501343505
74266606524213150
oct461733101506741
982383521475225
1021023211032033
11677599160a931
122436532a07b95
13b96632289252
14529759207597
15266cde1e50a8
hex131ed9068de1

21023211032033 has 8 divisors (see below), whose sum is σ = 24026607625152. Its totient is φ = 18019834621776.

The previous prime is 21023211032029. The next prime is 21023211032051. The reversal of 21023211032033 is 33023011232012.

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 21023211032033 - 22 = 21023211032029 is a prime.

It is a super-3 number, since 3×210232110320333 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21023211032053) 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, 2743610 + ... + 7040867.

It is an arithmetic number, because the mean of its divisors is an integer number (3003325953144).

Almost surely, 221023211032033 is an apocalyptic number.

It is an amenable number.

21023211032033 is a deficient number, since it is larger than the sum of its proper divisors (3003396593119).

21023211032033 is an equidigital number, since it uses as much as digits as its factorization.

21023211032033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091431.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21023211032033 its reverse (33023011232012), we get a palindrome (54046222264045).

The spelling of 21023211032033 in words is "twenty-one trillion, twenty-three billion, two hundred eleven million, thirty-two thousand, thirty-three".

Divisors: 1 7 306947 2148629 9784477 68491339 3003315861719 21023211032033