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1331450050 = 252725961151
BaseRepresentation
bin100111101011100…
…0101000011000010
310102210100200002211
41033113011003002
510211322400200
6340041332334
744665065400
oct11727050302
93383320084
101331450050
11623629147
12311a970aa
13182ac9c88
14c8b8a470
157bd53aba
hex4f5c50c2

1331450050 has 144 divisors (see below), whose sum is σ = 2997397440. Its totient is φ = 438480000.

The previous prime is 1331450027. The next prime is 1331450077. The reversal of 1331450050 is 500541331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8817475 + ... + 8817625.

It is an arithmetic number, because the mean of its divisors is an integer number (20815260).

Almost surely, 21331450050 is an apocalyptic number.

1331450050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331450050 is an abundant number, since it is smaller than the sum of its proper divisors (1665947390).

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

1331450050 is a wasteful number, since it uses less digits than its factorization.

1331450050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1331450050 is about 36489.0401353612. The cubic root of 1331450050 is about 1100.1239667450.

Adding to 1331450050 its reverse (500541331), we get a palindrome (1831991381).

The spelling of 1331450050 in words is "one billion, three hundred thirty-one million, four hundred fifty thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 59 61 70 98 118 122 151 175 245 295 302 305 350 413 427 490 590 610 755 826 854 1057 1225 1475 1510 1525 2065 2114 2135 2450 2891 2950 2989 3050 3599 3775 4130 4270 5285 5782 5978 7198 7399 7550 8909 9211 10325 10570 10675 14455 14798 14945 17818 17995 18422 20650 21350 25193 26425 28910 29890 35990 36995 44545 46055 50386 52850 62363 64477 72275 73990 74725 89090 89975 92110 124726 125965 128954 144550 149450 176351 179950 184975 222725 230275 251930 311815 322385 352702 369950 436541 445450 451339 460550 543449 623630 629825 644770 873082 881755 902678 1086898 1259650 1559075 1611925 1763510 2182705 2256695 2717245 3118150 3223850 3804143 4365410 4408775 4513390 5434490 7608286 8817550 10913525 11283475 13586225 19020715 21827050 22566950 26629001 27172450 38041430 53258002 95103575 133145005 190207150 266290010 665725025 1331450050