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22103130021 = 376722876869
BaseRepresentation
bin10100100101011100…
…101111111110100101
32010001101221100021020
4110211130233332211
5330231400130041
614053134441353
71411510335210
oct244534577645
963041840236
1022103130021
119412705805
12434a363259
13211332037b
1410d9748777
15895700866
hex52572ffa5

22103130021 has 32 divisors (see below), whose sum is σ = 34203586560. Its totient is φ = 12434596416.

The previous prime is 22103130011. The next prime is 22103130031. The reversal of 22103130021 is 12003130122.

It is an interprime number because it is at equal distance from previous prime (22103130011) and next prime (22103130031).

It is not a de Polignac number, because 22103130021 - 29 = 22103129509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103130011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3214375 + ... + 3221243.

It is an arithmetic number, because the mean of its divisors is an integer number (1068862080).

Almost surely, 222103130021 is an apocalyptic number.

22103130021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22103130021 is a deficient number, since it is larger than the sum of its proper divisors (12100456539).

22103130021 is a wasteful number, since it uses less digits than its factorization.

22103130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9233.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22103130021 its reverse (12003130122), we get a palindrome (34106260143).

The spelling of 22103130021 in words is "twenty-two billion, one hundred three million, one hundred thirty thousand, twenty-one".

Divisors: 1 3 7 21 67 201 469 1407 2287 6861 6869 16009 20607 48027 48083 144249 153229 459687 460223 1072603 1380669 3217809 3221561 9664683 15709403 47128209 109965821 329897463 1052530001 3157590003 7367710007 22103130021