Search a number
-
+
1275420580580 = 225292199001001
BaseRepresentation
bin10010100011110100111…
…111011001101011100100
311111221002020211120111202
4102203310333121223210
5131344030132034310
62413530425222032
7161101053026426
oct22436477315344
94457066746452
101275420580580
114519a2738623
12187227931918
139336ba59c93
1445a33002816
152329b12e3a5
hex128f4fd9ae4

1275420580580 has 24 divisors (see below), whose sum is σ = 2770741262520. Its totient is φ = 492576224000.

The previous prime is 1275420580573. The next prime is 1275420580597. The reversal of 1275420580580 is 850850245721.

It can be written as a sum of positive squares in 4 ways, for example, as 62484001024 + 1212936579556 = 249968^2 + 1101334^2 .

It is a super-3 number, since 3×12754205805803 (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099499921 + ... + 1099501080.

It is an arithmetic number, because the mean of its divisors is an integer number (115447552605).

Almost surely, 21275420580580 is an apocalyptic number.

1275420580580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1275420580580 is an abundant number, since it is smaller than the sum of its proper divisors (1495320681940).

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

1275420580580 is a wasteful number, since it uses less digits than its factorization.

1275420580580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199001039 (or 2199001037 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 1275420580580 in words is "one trillion, two hundred seventy-five billion, four hundred twenty million, five hundred eighty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 2199001001 4398002002 8796004004 10995005005 21990010010 43980020020 63771029029 127542058058 255084116116 318855145145 637710290290 1275420580580