Search a number
-
+
10143222240 = 253521131713
BaseRepresentation
bin10010111001001010…
…10100100111100000
3222011220021002002210
421130211110213200
5131233131102430
64354300242120
7506233652334
oct113445244740
928156232083
1010143222240
114335647aa8
121b70b40340
13c58585368
146c31a57c4
153e574e2b0
hex25c9549e0

10143222240 has 48 divisors (see below), whose sum is σ = 31951151568. Its totient is φ = 2704859136.

The previous prime is 10143222209. The next prime is 10143222241. The reversal of 10143222240 is 4222234101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143222241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10565377 + ... + 10566336.

It is an arithmetic number, because the mean of its divisors is an integer number (665648991).

Almost surely, 210143222240 is an apocalyptic number.

10143222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10143222240 is an abundant number, since it is smaller than the sum of its proper divisors (21807929328).

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

10143222240 is a wasteful number, since it uses less digits than its factorization.

10143222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21131731 (or 21131723 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10143222240 its reverse (4222234101), we get a palindrome (14365456341).

The spelling of 10143222240 in words is "ten billion, one hundred forty-three million, two hundred twenty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 21131713 42263426 63395139 84526852 105658565 126790278 169053704 211317130 253580556 316975695 338107408 422634260 507161112 633951390 676214816 845268520 1014322224 1267902780 1690537040 2028644448 2535805560 3381074080 5071611120 10143222240