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210202220144 = 2471919826207
BaseRepresentation
bin1100001111000100000…
…1110101011001110000
3202002120100120011111202
43003301001311121300
511420443232021034
6240322055030332
721121002251030
oct3036101653160
9662510504452
10210202220144
11811677451a4
12348a436b3a8
1316a8bb90327
14a2610438c0
155703e7947e
hex30f1075670

210202220144 has 40 divisors (see below), whose sum is σ = 467884720128. Its totient is φ = 89614998720.

The previous prime is 210202220101. The next prime is 210202220159. The reversal of 210202220144 is 441022202012.

It is a super-3 number, since 3×2102022201443 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4891712 + ... + 4934495.

Almost surely, 2210202220144 is an apocalyptic number.

It is an amenable number.

210202220144 is an abundant number, since it is smaller than the sum of its proper divisors (257682499984).

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

210202220144 is a wasteful number, since it uses less digits than its factorization.

210202220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826413 (or 9826407 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 210202220144 its reverse (441022202012), we get a palindrome (651224422156).

The spelling of 210202220144 in words is "two hundred ten billion, two hundred two million, two hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 191 382 764 1337 1528 2674 3056 5348 10696 21392 9826207 19652414 39304828 68783449 78609656 137566898 157219312 275133796 550267592 1100535184 1876805537 3753611074 7507222148 13137638759 15014444296 26275277518 30028888592 52550555036 105101110072 210202220144