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21033302003032 = 2311743947933937
BaseRepresentation
bin1001100100001001100100…
…11111101000110101011000
32202110202121222110222010111
410302010302133220311120
510224102200303044112
6112422322054054104
74300414555103524
oct462046237506530
982422558428114
1021033302003032
11677a19a709790
12243848a34a334
13b9757ca785c7
1452a03548ad84
152671d00725a7
hex1321327e8d58

21033302003032 has 64 divisors (see below), whose sum is σ = 43086381580800. Its totient is φ = 9546435709440.

The previous prime is 21033302003003. The next prime is 21033302003057. The reversal of 21033302003032 is 23030020333012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21033302002994 and 21033302003012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619757968 + ... + 619791904.

It is an arithmetic number, because the mean of its divisors is an integer number (673224712200).

Almost surely, 221033302003032 is an apocalyptic number.

21033302003032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21033302003032 is an abundant number, since it is smaller than the sum of its proper divisors (22053079577768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21033302003032 is a wasteful number, since it uses less digits than its factorization.

21033302003032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44176 (or 44172 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 21033302003032 its reverse (23030020333012), we get a palindrome (44063322336044).

The spelling of 21033302003032 in words is "twenty-one trillion, thirty-three billion, three hundred two million, three thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 743 1486 2972 5944 8173 9479 16346 18958 32692 33937 37916 65384 67874 75832 104269 135748 208538 271496 373307 417076 746614 834152 1493228 2986456 7042897 14085794 25215191 28171588 50430382 56343176 77471867 100860764 154943734 201721528 277367101 309887468 321688823 554734202 619774936 643377646 1109468404 1286755292 2218936808 2573510584 3538577053 7077154106 14154308212 28308616424 239014795489 478029590978 956059181956 1912118363912 2629162750379 5258325500758 10516651001516 21033302003032