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11241251780 = 22511431188293
BaseRepresentation
bin10100111100000011…
…11110001111000100
31002000102101202110112
422132001332033010
5141010230024110
65055243012152
7545366030543
oct123601761704
932012352415
1011241251780
114849436930
12221880a058
1310a1bc6195
14788d5015a
1545bd46405
hex29e07e3c4

11241251780 has 48 divisors (see below), whose sum is σ = 26351607744. Its totient is φ = 3992661120.

The previous prime is 11241251773. The next prime is 11241251797. The reversal of 11241251780 is 8715214211.

11241251780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584687 + ... + 603606.

It is an arithmetic number, because the mean of its divisors is an integer number (548991828).

Almost surely, 211241251780 is an apocalyptic number.

11241251780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11241251780 is an abundant number, since it is smaller than the sum of its proper divisors (15110355964).

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

11241251780 is a wasteful number, since it uses less digits than its factorization.

11241251780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188356 (or 1188354 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

Adding to 11241251780 its reverse (8715214211), we get a palindrome (19956465991).

The spelling of 11241251780 in words is "eleven billion, two hundred forty-one million, two hundred fifty-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 43 44 55 86 110 172 215 220 430 473 860 946 1892 2365 4730 9460 1188293 2376586 4753172 5941465 11882930 13071223 23765860 26142446 51096599 52284892 65356115 102193198 130712230 204386396 255482995 261424460 510965990 562062589 1021931980 1124125178 2248250356 2810312945 5620625890 11241251780