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23443360060 = 2251743289419
BaseRepresentation
bin10101110101010101…
…010100100100111100
32020111210211002020211
4111311111110210330
5341003000010220
614434132322204
71456643162341
oct256525244474
966453732224
1023443360060
119a4019043a
124663173364
132297ba27b3
1411c573c7c8
159231dab5a
hex57555493c

23443360060 has 144 divisors (see below), whose sum is σ = 54095882400. Its totient is φ = 8503283712.

The previous prime is 23443360033. The next prime is 23443360139. The reversal of 23443360060 is 6006334432.

It is a super-2 number, since 2×234433600602 (a number of 22 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 47 ways as a sum of consecutive naturals, for example, 55950531 + ... + 55950949.

It is an arithmetic number, because the mean of its divisors is an integer number (375665850).

Almost surely, 223443360060 is an apocalyptic number.

23443360060 is a gapful number since it is divisible by the number (20) 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 23443360060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27047941200).

23443360060 is an abundant number, since it is smaller than the sum of its proper divisors (30652522340).

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

23443360060 is a wasteful number, since it uses less digits than its factorization.

23443360060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 23443360060 its reverse (6006334432), we get a palindrome (29449694492).

The spelling of 23443360060 in words is "twenty-three billion, four hundred forty-three million, three hundred sixty thousand, sixty".

Divisors: 1 2 4 5 10 17 20 34 43 68 85 86 89 170 172 178 215 340 356 419 430 445 731 838 860 890 1462 1513 1676 1780 1849 2095 2924 3026 3655 3698 3827 4190 6052 7123 7310 7396 7565 7654 8380 9245 14246 14620 15130 15308 18017 18490 19135 28492 30260 31433 35615 36034 36980 37291 38270 62866 65059 71230 72068 74582 76540 90085 125732 130118 142460 149164 157165 164561 180170 186455 260236 306289 314330 325295 329122 360340 372910 612578 628660 633947 650590 658244 745820 774731 822805 1225156 1267894 1301180 1531445 1549462 1603513 1645610 2535788 2797537 3062890 3098924 3169735 3207026 3291220 3873655 5595074 6125780 6339470 6414052 7747310 8017565 11190148 12678940 13170427 13987685 15494620 16035130 26340854 27259721 27975370 32070260 52681708 54519442 55950740 65852135 68951059 109038884 131704270 136298605 137902118 263408540 272597210 275804236 344755295 545194420 689510590 1172168003 1379021180 2344336006 4688672012 5860840015 11721680030 23443360060