Search a number
-
+
401413142031440 = 24571165164471109
BaseRepresentation
bin101101101000101010100011…
…1101111010010110001010000
31221122021201111001022021120212
41123101111013233102301100
5410103223103330001230
63541422352433023252
7150360066603001010
oct13321250757226120
91848251431267525
10401413142031440
111069a23a29486a0
12390306810b4b28
13142ca134a95496
14711a6dd3d1c40
153161a24de8895
hex16d1547bd2c50

401413142031440 has 80 divisors (see below), whose sum is σ = 1163576796140160. Its totient is φ = 125115784527360.

The previous prime is 401413142031337. The next prime is 401413142031443. The reversal of 401413142031440 is 44130241314104.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4014131420314402 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401413142031397 and 401413142031406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401413142031443) 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, 32582229395 + ... + 32582241714.

It is an arithmetic number, because the mean of its divisors is an integer number (14544709951752).

Almost surely, 2401413142031440 is an apocalyptic number.

401413142031440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401413142031440 is an abundant number, since it is smaller than the sum of its proper divisors (762163654108720).

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

401413142031440 is a wasteful number, since it uses less digits than its factorization.

401413142031440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65164471140 (or 65164471134 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 401413142031440 its reverse (44130241314104), we get a palindrome (445543383345544).

The spelling of 401413142031440 in words is "four hundred one trillion, four hundred thirteen billion, one hundred forty-two million, thirty-one thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 280 308 385 440 560 616 770 880 1232 1540 3080 6160 65164471109 130328942218 260657884436 325822355545 456151297763 521315768872 651644711090 716809182199 912302595526 1042631537744 1303289422180 1433618364398 1824605191052 2280756488815 2606578844360 2867236728796 3584045910995 3649210382104 4561512977630 5017664275393 5213157688720 5734473457592 7168091821990 7298420764208 9123025955260 10035328550786 11468946915184 14336183643980 18246051910520 20070657101572 25088321376965 28672367287960 36492103821040 40141314203144 50176642753930 57344734575920 80282628406288 100353285507860 200706571015720 401413142031440