Search a number
-
+
10280251728 = 243412762459
BaseRepresentation
bin10011001001100000…
…00011000101010000
3222112110002220020000
421210300003011100
5132023221023403
64420033250000
7512516461245
oct114460030520
928473086200
1010280251728
1143a5a3030a
121baaa03900
13c7aa925b6
146d74755cc
154027ba7a3
hex264c03150

10280251728 has 100 divisors (see below), whose sum is σ = 29988794880. Its totient is φ = 3399713856.

The previous prime is 10280251697. The next prime is 10280251763. The reversal of 10280251728 is 82715208201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 10280251692 and 10280251701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 133363 + ... + 195821.

Almost surely, 210280251728 is an apocalyptic number.

10280251728 is a gapful number since it is divisible by the number (18) 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 10280251728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14994397440).

10280251728 is an abundant number, since it is smaller than the sum of its proper divisors (19708543152).

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

10280251728 is a wasteful number, since it uses less digits than its factorization.

10280251728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62606 (or 62591 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

Adding to 10280251728 its reverse (82715208201), we get a palindrome (92995459929).

The spelling of 10280251728 in words is "ten billion, two hundred eighty million, two hundred fifty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 127 144 162 216 254 324 381 432 508 648 762 1016 1143 1296 1524 2032 2286 3048 3429 4572 6096 6858 9144 10287 13716 18288 20574 27432 41148 54864 62459 82296 124918 164592 187377 249836 374754 499672 562131 749508 999344 1124262 1499016 1686393 2248524 2998032 3372786 4497048 5059179 6745572 7932293 8994096 10118358 13491144 15864586 20236716 23796879 26982288 31729172 40473432 47593758 63458344 71390637 80946864 95187516 126916688 142781274 190375032 214171911 285562548 380750064 428343822 571125096 642515733 856687644 1142250192 1285031466 1713375288 2570062932 3426750576 5140125864 10280251728