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21332211031313 = 7213220443126011
BaseRepresentation
bin1001101100110110010101…
…10111000101110100010001
32210112100011110112220000122
410312123022313011310101
510244001332011000223
6113211514340000025
74331126034654500
oct466331267056421
983470143486018
1021332211031313
116884a37aa7866
1224863aa390015
13bb9807867a00
1453a6ad760837
1526ed76a805c8
hex1366cadc5d11

21332211031313 has 36 divisors (see below), whose sum is σ = 26872230880368. Its totient is φ = 16877273343840.

The previous prime is 21332211031303. The next prime is 21332211031319. The reversal of 21332211031313 is 31313011223312.

It is not a de Polignac number, because 21332211031313 - 26 = 21332211031249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332211031319) 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 35 ways as a sum of consecutive naturals, for example, 169225478 + ... + 169351488.

It is an arithmetic number, because the mean of its divisors is an integer number (746450857788).

Almost surely, 221332211031313 is an apocalyptic number.

It is an amenable number.

21332211031313 is a deficient number, since it is larger than the sum of its proper divisors (5540019849055).

21332211031313 is a wasteful number, since it uses less digits than its factorization.

21332211031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146494 (or 146474 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21332211031313 its reverse (31313011223312), we get a palindrome (52645222254625).

The spelling of 21332211031313 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred eleven million, thirty-one thousand, three hundred thirteen".

Divisors: 1 7 13 49 91 169 637 1183 8281 20443 126011 143101 265759 882077 1001707 1638143 1860313 3454867 6174539 11467001 13022191 21295859 24184069 80269007 149071013 169288483 1043497091 2576042873 18032300111 33488557349 126226100777 234419901443 435351245537 1640939310101 3047458718759 21332211031313