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210120220002 = 23711454805671
BaseRepresentation
bin1100001110110000100…
…1000001110101100010
3202002100122021010110110
43003230021001311202
511420311234020002
6240310005312150
721115655254410
oct3035411016542
9662318233413
10210120220002
1181125428290
1234880a05656
1316a77bac734
14a2541ba2b0
1556ebb7ce6c
hex30ec241d62

210120220002 has 32 divisors (see below), whose sum is σ = 523936134144. Its totient is φ = 54576680400.

The previous prime is 210120219989. The next prime is 210120220033. The reversal of 210120220002 is 200022021012.

It is a self number, because there is not a number n which added to its sum of digits gives 210120220002.

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, 227402374 + ... + 227403297.

It is an arithmetic number, because the mean of its divisors is an integer number (16373004192).

Almost surely, 2210120220002 is an apocalyptic number.

210120220002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210120220002 is an abundant number, since it is smaller than the sum of its proper divisors (313815914142).

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

210120220002 is a wasteful number, since it uses less digits than its factorization.

210120220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454805694.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210120220002 its reverse (200022021012), we get a palindrome (410142241014).

The spelling of 210120220002 in words is "two hundred ten billion, one hundred twenty million, two hundred twenty thousand, two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 454805671 909611342 1364417013 2728834026 3183639697 5002862381 6367279394 9550919091 10005724762 15008587143 19101838182 30017174286 35020036667 70040073334 105060110001 210120220002