Search a number
-
+
50105511111054 = 23723116879325709
BaseRepresentation
bin10110110010010000110010…
…01100001110100110001110
320120102001002012221001111210
423121020121030032212032
523031412041321023204
6254322053134355250
713361001163155600
oct1331103114164616
9216361065831453
1050105511111054
1114a6869a857523
12575294a35bb26
1321c5c10c36879
14c53196575170
155bd55cb11389
hex2d921930e98e

50105511111054 has 96 divisors (see below), whose sum is σ = 120339891302400. Its totient is φ = 13853195052480.

The previous prime is 50105511111017. The next prime is 50105511111059. The reversal of 50105511111054 is 45011111550105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50105511111059) 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, 153672352 + ... + 153998060.

It is an arithmetic number, because the mean of its divisors is an integer number (1253540534400).

Almost surely, 250105511111054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50105511111054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60169945651200).

50105511111054 is an abundant number, since it is smaller than the sum of its proper divisors (70234380191346).

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

50105511111054 is a wasteful number, since it uses less digits than its factorization.

50105511111054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342638 (or 342631 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 30.

Adding to 50105511111054 its reverse (45011111550105), we get a palindrome (95116622661159).

The spelling of 50105511111054 in words is "fifty trillion, one hundred five billion, five hundred eleven million, one hundred eleven thousand, fifty-four".

Divisors: 1 2 3 6 7 14 21 31 42 49 62 93 98 147 186 217 294 434 651 1302 1519 3038 4557 9114 16879 33758 50637 101274 118153 236306 325709 354459 523249 651418 708918 827071 977127 1046498 1569747 1654142 1954254 2279963 2481213 3139494 3662743 4559926 4962426 6839889 7325486 10096979 10988229 13679778 15959741 20193958 21976458 25639201 30290937 31919482 47879223 51278402 60581874 70678853 76917603 95758446 141357706 153835206 212036559 424073118 494751971 989503942 1484255913 2968511826 5497642211 10995284422 16492926633 32985853266 38483495477 76966990954 115450486431 170426908541 230900972862 269384468339 340853817082 511280725623 538768936678 808153405017 1022561451246 1192988359787 1616306810034 2385976719574 3578965079361 7157930158722 8350918518509 16701837037018 25052755555527 50105511111054