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213210222031002 = 237107233320335751
BaseRepresentation
bin110000011110100111011111…
…100010111111000010011010
31000221220200211221222020202010
4300132213133202333002122
5210421214013314443002
62033243231313450350
762623634030010660
oct6036473742770232
91027820757866663
10213210222031002
1161a31a46a59449
121bab569bb709b6
1391c7839c52901
143a91603568c30
15199b1492b546c
hexc1e9df8bf09a

213210222031002 has 64 divisors (see below), whose sum is σ = 492103073101824. Its totient is φ = 60322016568000.

The previous prime is 213210222030973. The next prime is 213210222031031. The reversal of 213210222031002 is 200130222012312.

It is an interprime number because it is at equal distance from previous prime (213210222030973) and next prime (213210222031031).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 213210222031002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316627 + ... + 20652377.

It is an arithmetic number, because the mean of its divisors is an integer number (7689110517216).

Almost surely, 2213210222031002 is an apocalyptic number.

213210222031002 is an abundant number, since it is smaller than the sum of its proper divisors (278892851070822).

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

213210222031002 is a wasteful number, since it uses less digits than its factorization.

213210222031002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20338203.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213210222031002 its reverse (200130222012312), we get a palindrome (413340444043314).

The spelling of 213210222031002 in words is "two hundred thirteen trillion, two hundred ten billion, two hundred twenty-two million, thirty-one thousand, two".

Divisors: 1 2 3 6 7 14 21 42 107 214 321 642 749 1498 2247 2333 4494 4666 6999 13998 16331 32662 48993 97986 249631 499262 748893 1497786 1747417 3494834 5242251 10484502 20335751 40671502 61007253 122014506 142350257 284700514 427050771 854101542 2175925357 4351850714 6527776071 13055552142 15231477499 30462954998 45694432497 47443307083 91388864994 94886614166 142329921249 284659842498 332103149581 664206299162 996309448743 1992618897486 5076433857881 10152867715762 15229301573643 30458603147286 35535037005167 71070074010334 106605111015501 213210222031002