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122434244044400 = 245213916371345177
BaseRepresentation
bin11011110101101001110001…
…100111111110011001110000
3121001111121011222101221201002
4123311221301213332121300
5112021430312433410100
61112221303142501132
734534403463154331
oct3365516147763160
9531447158357632
10122434244044400
11360140869aa832
12118946b07347a8
135341665a21832
142233bc5a4a288
15e24be05352d5
hex6f5a719fe670

122434244044400 has 120 divisors (see below), whose sum is σ = 296445646420560. Its totient is φ = 48591631226880.

The previous prime is 122434244044397. The next prime is 122434244044423. The reversal of 122434244044400 is 4440442434221.

It is a super-2 number, since 2×1224342440444002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90344612 + ... + 91689788.

It is an arithmetic number, because the mean of its divisors is an integer number (2470380386838).

Almost surely, 2122434244044400 is an apocalyptic number.

122434244044400 is a gapful number since it is divisible by the number (10) 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 122434244044400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148222823210280).

122434244044400 is an abundant number, since it is smaller than the sum of its proper divisors (174011402376160).

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

122434244044400 is a wasteful number, since it uses less digits than its factorization.

122434244044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346971 (or 1346960 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 122434244044400 its reverse (4440442434221), we get a palindrome (126874686478621).

The spelling of 122434244044400 in words is "one hundred twenty-two trillion, four hundred thirty-four billion, two hundred forty-four million, forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 139 200 278 400 556 695 1112 1390 1637 2224 2780 3274 3475 5560 6548 6950 8185 11120 13096 13900 16370 26192 27800 32740 40925 55600 65480 81850 130960 163700 227543 327400 455086 654800 910172 1137715 1345177 1820344 2275430 2690354 3640688 4550860 5380708 5688575 6725885 9101720 10761416 11377150 13451770 18203440 21522832 22754300 26903540 33629425 45508600 53807080 67258850 91017200 107614160 134517700 186979603 269035400 373959206 538070800 747918412 934898015 1495836824 1869796030 2202054749 2991673648 3739592060 4404109498 4674490075 7479184120 8808218996 9348980150 11010273745 14958368240 17616437992 18697960300 22020547490 35232875984 37395920600 44041094980 55051368725 74791841200 88082189960 110102737450 176164379920 220205474900 306085610111 440410949800 612171220222 880821899600 1224342440444 1530428050555 2448684880888 3060856101110 4897369761776 6121712202220 7652140252775 12243424404440 15304280505550 24486848808880 30608561011100 61217122022200 122434244044400