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21230331032023 = 495710357413527
BaseRepresentation
bin1001101001111000100100…
…10101101111000111010111
32210011121012021100200120121
410310330102111233013113
510240314204221011043
6113053025054012411
74320561252160501
oct464742225570727
983147167320517
1021230331032023
116845807437443
12246a6b6aa7107
13bb001c708269
145357a6b60d71
1526c3b2788ded
hex134f1256f1d7

21230331032023 has 8 divisors (see below), whose sum is σ = 21236715552992. Its totient is φ = 21223947368736.

The previous prime is 21230331032017. The next prime is 21230331032069. The reversal of 21230331032023 is 32023013303212.

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 21230331032023 - 213 = 21230331023831 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 (21230331038023) 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, 51132886 + ... + 51546412.

It is an arithmetic number, because the mean of its divisors is an integer number (2654589444124).

Almost surely, 221230331032023 is an apocalyptic number.

21230331032023 is a deficient number, since it is larger than the sum of its proper divisors (6384520969).

21230331032023 is a wasteful number, since it uses less digits than its factorization.

21230331032023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428841.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21230331032023 its reverse (32023013303212), we get a palindrome (53253344335235).

The spelling of 21230331032023 in words is "twenty-one trillion, two hundred thirty billion, three hundred thirty-one million, thirty-two thousand, twenty-three".

Divisors: 1 4957 10357 413527 51339649 2049853339 4282899139 21230331032023