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1131012050 = 252719533209
BaseRepresentation
bin100001101101001…
…1101111111010010
32220211012100212012
41003122131333102
54304014341200
6304121302522
740012305140
oct10332357722
92824170765
101131012050
11530477103
12276934a42
1315041b4cc
14aa2d2590
156945ea35
hex4369dfd2

1131012050 has 96 divisors (see below), whose sum is σ = 2579299200. Its totient is φ = 360322560.

The previous prime is 1131012017. The next prime is 1131012053. The reversal of 1131012050 is 502101311.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1131012053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 350846 + ... + 354054.

It is an arithmetic number, because the mean of its divisors is an integer number (26867700).

Almost surely, 21131012050 is an apocalyptic number.

1131012050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131012050 is an abundant number, since it is smaller than the sum of its proper divisors (1448287150).

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

1131012050 is a wasteful number, since it uses less digits than its factorization.

1131012050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1131012050 is about 33630.5225948096. The cubic root of 1131012050 is about 1041.8912977602.

Adding to 1131012050 its reverse (502101311), we get a palindrome (1633113361).

The spelling of 1131012050 in words is "one billion, one hundred thirty-one million, twelve thousand, fifty".

Divisors: 1 2 5 7 10 14 19 25 35 38 50 53 70 95 106 133 175 190 265 266 350 371 475 530 665 742 950 1007 1325 1330 1855 2014 2650 3209 3325 3710 5035 6418 6650 7049 9275 10070 14098 16045 18550 22463 25175 32090 35245 44926 50350 60971 70490 80225 112315 121942 160450 170077 176225 224630 304855 340154 352450 426797 561575 609710 850385 853594 1123150 1190539 1524275 1700770 2133985 2381078 3048550 3231463 4251925 4267970 5952695 6462926 8503850 10669925 11905390 16157315 21339850 22620241 29763475 32314630 45240482 59526950 80786575 113101205 161573150 226202410 565506025 1131012050