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401303441220 = 223511608035517
BaseRepresentation
bin1011101011011111000…
…11001000111101000100
31102100211112020001012120
411311233203020331010
523033332140104340
6504204541245540
740664446653123
oct5655743107504
91370745201176
10401303441220
11145212370050
12659378638b0
132bac56ac736
14155cd33baba
15a68b0684d0
hex5d6f8c8f44

401303441220 has 48 divisors (see below), whose sum is σ = 1225799604288. Its totient is φ = 97285682560.

The previous prime is 401303441197. The next prime is 401303441221. The reversal of 401303441220 is 22144303104.

It is a super-2 number, since 2×4013034412202 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401303441221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304017099 + ... + 304018418.

It is an arithmetic number, because the mean of its divisors is an integer number (25537491756).

Almost surely, 2401303441220 is an apocalyptic number.

It is an amenable number.

401303441220 is an abundant number, since it is smaller than the sum of its proper divisors (824496163068).

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

401303441220 is a wasteful number, since it uses less digits than its factorization.

401303441220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608035540 (or 608035538 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 401303441220 its reverse (22144303104), we get a palindrome (423447744324).

The spelling of 401303441220 in words is "four hundred one billion, three hundred three million, four hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 608035517 1216071034 1824106551 2432142068 3040177585 3648213102 6080355170 6688390687 7296426204 9120532755 12160710340 13376781374 18241065510 20065172061 26753562748 33441953435 36482131020 40130344122 66883906870 80260688244 100325860305 133767813740 200651720610 401303441220