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22131113051050 = 252978239076113
BaseRepresentation
bin1010000100000110011010…
…01000011100001110101010
32220100201021022122110020121
411002003031020130032222
510400044004420113200
6115022520514513454
74442630420045053
oct502031510341652
986321238573217
1022131113051050
1170628303a6753
1225951a8b9588a
13c46c551bcb03
14567219d5172a
15285a33789e1a
hex1420cd21c3aa

22131113051050 has 96 divisors (see below), whose sum is σ = 41691499823232. Its totient is φ = 8739459809280.

The previous prime is 22131113051039. The next prime is 22131113051093. The reversal of 22131113051050 is 5015031113122.

It is a super-2 number, since 2×221311130510502 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3620332794 + ... + 3620338906.

It is an arithmetic number, because the mean of its divisors is an integer number (434286456492).

Almost surely, 222131113051050 is an apocalyptic number.

22131113051050 is a deficient number, since it is larger than the sum of its proper divisors (19560386772182).

22131113051050 is a wasteful number, since it uses less digits than its factorization.

22131113051050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952 (or 7947 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 22131113051050 its reverse (5015031113122), we get a palindrome (27146144164172).

The spelling of 22131113051050 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred thirteen million, fifty-one thousand, fifty".

Divisors: 1 2 5 10 25 50 97 194 485 823 907 970 1646 1814 2425 4115 4535 4850 6113 8230 9070 12226 20575 22675 30565 41150 45350 61130 79831 87979 152825 159662 175958 305650 399155 439895 592961 746461 798310 879790 1185922 1492922 1995775 2199475 2964805 3732305 3991550 4398950 5030999 5544491 5929610 7464610 10061998 11088982 14824025 18661525 25154995 27722455 29648050 37323050 50309990 55444910 72406717 125774975 138612275 144813434 251549950 277224550 362033585 488006903 537815627 724067170 976013806 1075631254 1810167925 2440034515 2689078135 3620335850 4563116093 4880069030 5378156270 9126232186 12200172575 13445390675 22815580465 24400345150 26890781350 45631160930 114077902325 228155804650 442622261021 885244522042 2213111305105 4426222610210 11065556525525 22131113051050