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1304232144220 = 2257110770912107
BaseRepresentation
bin10010111110101010010…
…010110010110101011100
311121200110011212122200101
4102332222102302311130
5132332031412103340
62435053405110444
7163141042211305
oct22765222626534
94550404778611
101304232144220
11463138053845
12190928858424
1395cb0b490a5
14471a768b7ac
1523dd5753c9a
hex12faa4b2d5c

1304232144220 has 96 divisors (see below), whose sum is σ = 2807606914560. Its totient is φ = 508777409280.

The previous prime is 1304232144191. The next prime is 1304232144253. The reversal of 1304232144220 is 224412324031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107719407 + ... + 107731513.

It is an arithmetic number, because the mean of its divisors is an integer number (29245905360).

Almost surely, 21304232144220 is an apocalyptic number.

1304232144220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304232144220 is an abundant number, since it is smaller than the sum of its proper divisors (1503374770340).

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

1304232144220 is a wasteful number, since it uses less digits than its factorization.

1304232144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13003 (or 13001 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1304232144220 its reverse (224412324031), we get a palindrome (1528644468251).

The spelling of 1304232144220 in words is "one trillion, three hundred four billion, two hundred thirty-two million, one hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 71 107 142 214 284 355 428 535 709 710 1070 1418 1420 2140 2836 3545 7090 7597 12107 14180 15194 24214 30388 37985 48428 50339 60535 75863 75970 100678 121070 151726 151940 201356 242140 251695 303452 379315 503390 758630 859597 1006780 1295449 1517260 1719194 2590898 3438388 4297985 5181796 5386273 6477245 8583863 8595970 10772546 12954490 17167726 17191940 21545092 25908980 26931365 34335452 42919315 53862730 85838630 91976879 107725460 171677260 183953758 367907516 459884395 609454273 918473341 919768790 1218908546 1836946682 1839537580 2437817092 3047271365 3673893364 4592366705 6094542730 9184733410 12189085460 18369466820 65211607211 130423214422 260846428844 326058036055 652116072110 1304232144220