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21302202130002 = 23219292147832439
BaseRepresentation
bin1001101011111110011100…
…01100001101111001010010
32210102110201002111202100100
410311333032030031321102
510243003402221130002
6113150032505033230
74326014266343343
oct465771614157122
983373632452310
1021302202130002
116873238834082
122480614485816
13bb6a346a7181
1453906407a0ca
1526e1bc29911c
hex135fce30de52

21302202130002 has 48 divisors (see below), whose sum is σ = 50259279096000. Its totient is φ = 6495045292512.

The previous prime is 21302202129979. The next prime is 21302202130003. The reversal of 21302202130002 is 20003120220312.

21302202130002 is a `hidden beast` number, since 21 + 302 + 20 + 21 + 300 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21302202130003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1073906302 + ... + 1073926137.

It is an arithmetic number, because the mean of its divisors is an integer number (1047068314500).

Almost surely, 221302202130002 is an apocalyptic number.

21302202130002 is an abundant number, since it is smaller than the sum of its proper divisors (28957076965998).

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

21302202130002 is a wasteful number, since it uses less digits than its factorization.

21302202130002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147832495 (or 2147832492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21302202130002 its reverse (20003120220312), we get a palindrome (41305322350314).

The spelling of 21302202130002 in words is "twenty-one trillion, three hundred two billion, two hundred two million, one hundred thirty thousand, two".

Divisors: 1 2 3 6 9 18 19 29 38 57 58 87 114 171 174 261 342 522 551 1102 1653 3306 4959 9918 2147832439 4295664878 6443497317 12886994634 19330491951 38660983902 40808816341 62287140731 81617632682 122426449023 124574281462 186861422193 244852898046 367279347069 373722844386 560584266579 734558694138 1121168533158 1183455673889 2366911347778 3550367021667 7100734043334 10651101065001 21302202130002