Search a number
-
+
1254422510240 = 25527728303757
BaseRepresentation
bin10010010000010001011…
…010000111101010100000
311102220212212021002010212
4102100101122013222200
5131023024130311430
62400135043513252
7156425521256444
oct22202132075240
94386785232125
101254422510240
11443aa7893589
12183147688828
13913a366c5a3
1444a00352824
152296c963b95
hex12411687aa0

1254422510240 has 48 divisors (see below), whose sum is σ = 2974272105672. Its totient is φ = 499957545984.

The previous prime is 1254422510233. The next prime is 1254422510281. The reversal of 1254422510240 is 420152244521.

It can be written as a sum of positive squares in 4 ways, for example, as 723989967376 + 530432542864 = 850876^2 + 728308^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1254422510197 and 1254422510206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14107559 + ... + 14196198.

Almost surely, 21254422510240 is an apocalyptic number.

1254422510240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254422510240 is an abundant number, since it is smaller than the sum of its proper divisors (1719849595432).

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

1254422510240 is a wasteful number, since it uses less digits than its factorization.

1254422510240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28304049 (or 28304041 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 1254422510240 its reverse (420152244521), we get a palindrome (1674574754761).

The spelling of 1254422510240 in words is "one trillion, two hundred fifty-four billion, four hundred twenty-two million, five hundred ten thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 277 554 1108 1385 2216 2770 4432 5540 8864 11080 22160 44320 28303757 56607514 113215028 141518785 226430056 283037570 452860112 566075140 905720224 1132150280 2264300560 4528601120 7840140689 15680281378 31360562756 39200703445 62721125512 78401406890 125442251024 156802813780 250884502048 313605627560 627211255120 1254422510240