Search a number
-
+
2220304454260 = 225139798670667
BaseRepresentation
bin100000010011110100011…
…101010101001001110100
321212020222211112200102221
4200103310131111021310
5242334140420014020
64415554354012124
7316261133316514
oct40236435251164
97766884480387
102220304454260
11786697a87aa2
122ba387577044
131314b2358509
147966b469844
153cb4dcab6aa
hex204f4755274

2220304454260 has 24 divisors (see below), whose sum is σ = 4696183527840. Its totient is φ = 881732415264.

The previous prime is 2220304454227. The next prime is 2220304454267. The reversal of 2220304454260 is 624544030222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220304454267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399332554 + ... + 399338113.

It is an arithmetic number, because the mean of its divisors is an integer number (195674313660).

Almost surely, 22220304454260 is an apocalyptic number.

2220304454260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220304454260 is an abundant number, since it is smaller than the sum of its proper divisors (2475879073580).

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

2220304454260 is a wasteful number, since it uses less digits than its factorization.

2220304454260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798670815 (or 798670813 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 2220304454260 its reverse (624544030222), we get a palindrome (2844848484482).

The spelling of 2220304454260 in words is "two trillion, two hundred twenty billion, three hundred four million, four hundred fifty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 798670667 1597341334 3194682668 3993353335 7986706670 15973413340 111015222713 222030445426 444060890852 555076113565 1110152227130 2220304454260