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401421012410 = 251117277774959
BaseRepresentation
bin1011101011101101000…
…11101000110110111010
31102101010201110021120002
411311312203220312322
523034102234344120
6504224341233002
741000405210225
oct5656643506672
91371121407502
10401421012410
11145272773020
126596b102762
132bb13b65ca2
1415600bc45bc
15a69653e375
hex5d768e8dba

401421012410 has 64 divisors (see below), whose sum is σ = 837626365440. Its totient is φ = 136888581120.

The previous prime is 401421012367. The next prime is 401421012413. The reversal of 401421012410 is 14210124104.

It is a super-2 number, since 2×4014210124102 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401421012413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130511 + ... + 905469.

It is an arithmetic number, because the mean of its divisors is an integer number (13087911960).

Almost surely, 2401421012410 is an apocalyptic number.

401421012410 is an abundant number, since it is smaller than the sum of its proper divisors (436205353030).

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

401421012410 is a wasteful number, since it uses less digits than its factorization.

401421012410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775271.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 401421012410 its reverse (14210124104), we get a palindrome (415631136514).

The spelling of 401421012410 in words is "four hundred one billion, four hundred twenty-one million, twelve thousand, four hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 277 374 554 935 1385 1870 2770 3047 4709 6094 9418 15235 23545 30470 47090 51799 103598 258995 517990 774959 1549918 3874795 7749590 8524549 13174303 17049098 26348606 42622745 65871515 85245490 131743030 144917333 214663643 289834666 429327286 724586665 1073318215 1449173330 2146636430 2361300073 3649281931 4722600146 7298563862 11806500365 18246409655 23613000730 36492819310 40142101241 80284202482 200710506205 401421012410