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401401104104 = 2371113449111637
BaseRepresentation
bin1011101011101010101…
…11101100011011101000
31102101002022222211111102
411311311113230123220
523034032140312404
6504222350420532
741000044042430
oct5656527543350
91371068884442
10401401104104
11145262505680
1265964501748
132bb0c9b5520
14155dc2c12c0
15a69490a71e
hex5d755ec6e8

401401104104 has 128 divisors (see below), whose sum is σ = 1012779936000. Its totient is φ = 144037232640.

The previous prime is 401401104089. The next prime is 401401104311.

It is a happy number.

401401104104 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4014011041042 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 3539774 + ... + 3651410.

It is an arithmetic number, because the mean of its divisors is an integer number (7912343250).

Almost surely, 2401401104104 is an apocalyptic number.

401401104104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401401104104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506389968000).

401401104104 is an abundant number, since it is smaller than the sum of its proper divisors (611378831896).

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

401401104104 is a wasteful number, since it uses less digits than its factorization.

401401104104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112123 (or 112119 counting only the distinct ones).

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

It can be divided in two parts, 401401 and 104104, that added together give a palindrome (505505).

The spelling of 401401104104 in words is "four hundred one billion, four hundred one million, one hundred four thousand, one hundred four".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 449 572 616 728 898 1001 1144 1796 2002 3143 3592 4004 4939 5837 6286 8008 9878 11674 12572 19756 23348 25144 34573 39512 40859 46696 64207 69146 81718 111637 128414 138292 163436 223274 256828 276584 326872 446548 449449 513656 781459 893096 898898 1228007 1451281 1562918 1797796 2456014 2902562 3125836 3595592 4912028 5805124 6251672 8596049 9824056 10158967 11610248 15964091 17192098 20317934 31928182 34384196 40635868 50125013 63856364 68768392 81271736 100250026 111748637 127712728 200500052 223497274 350875091 401000104 446994548 551375143 651625169 701750182 893989096 1102750286 1303250338 1403500364 2205500572 2606500676 2807000728 3859626001 4411001144 4561376183 5213001352 7167876859 7719252002 9122752366 14335753718 15438504004 18245504732 28671507436 30877008008 36491009464 50175138013 57343014872 100350276026 200700552052 401401104104