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1304425444400 = 245213569440863
BaseRepresentation
bin10010111110110101110…
…100001011010000110000
311121200221122121022200022
4102332311310023100300
5132332430403210100
62435124512143012
7163145610222551
oct22766564132060
94550848538608
101304425444400
11463227180061
12190981537a68
1396011bc89b0
14471c5208328
1523de76d7e85
hex12fb5d0b430

1304425444400 has 120 divisors (see below), whose sum is σ = 3380889025920. Its totient is φ = 480786462720.

The previous prime is 1304425444331. The next prime is 1304425444403. The reversal of 1304425444400 is 44445244031.

It is not an unprimeable number, because it can be changed into a prime (1304425444403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2738369 + ... + 3179231.

It is an arithmetic number, because the mean of its divisors is an integer number (28174075216).

Almost surely, 21304425444400 is an apocalyptic number.

1304425444400 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 1304425444400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690444512960).

1304425444400 is an abundant number, since it is smaller than the sum of its proper divisors (2076463581520).

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

1304425444400 is a wasteful number, since it uses less digits than its factorization.

1304425444400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441463 (or 441452 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

The spelling of 1304425444400 in words is "one trillion, three hundred four billion, four hundred twenty-five million, four hundred forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 569 650 1040 1138 1300 2276 2600 2845 4552 5200 5690 7397 9104 11380 14225 14794 22760 28450 29588 36985 45520 56900 59176 73970 113800 118352 147940 184925 227600 295880 369850 440863 591760 739700 881726 1479400 1763452 2204315 2958800 3526904 4408630 5731219 7053808 8817260 11021575 11462438 17634520 22043150 22924876 28656095 35269040 44086300 45849752 57312190 88172600 91699504 114624380 143280475 176345200 229248760 250851047 286560950 458497520 501702094 573121900 1003404188 1146243800 1254255235 2006808376 2292487600 2508510470 3261063611 4013616752 5017020940 6271276175 6522127222 10034041880 12542552350 13044254444 16305318055 20068083760 25085104700 26088508888 32610636110 50170209400 52177017776 65221272220 81526590275 100340418800 130442544440 163053180550 260885088880 326106361100 652212722200 1304425444400