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1211313134424 = 2331092683172583
BaseRepresentation
bin10001101000000111111…
…000111001101101011000
311021210121111100212220010
4101220013320321231120
5124321232130300144
62324245232201520
7153341316521151
oct21500770715530
94253544325803
101211313134424
1142779575a468
121769163992a0
138a2c335b5a3
14428b0c2a928
1521797ed05b9
hex11a07e39b58

1211313134424 has 64 divisors (see below), whose sum is σ = 3057222009600. Its totient is φ = 399915294336.

The previous prime is 1211313134411. The next prime is 1211313134459. The reversal of 1211313134424 is 4244313131121.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1211313134391 and 1211313134400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6932437 + ... + 7105019.

It is an arithmetic number, because the mean of its divisors is an integer number (47769093900).

Almost surely, 21211313134424 is an apocalyptic number.

It is an amenable number.

1211313134424 is an abundant number, since it is smaller than the sum of its proper divisors (1845908875176).

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

1211313134424 is a wasteful number, since it uses less digits than its factorization.

1211313134424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175384 (or 175380 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

Adding to 1211313134424 its reverse (4244313131121), we get a palindrome (5455626265545).

The spelling of 1211313134424 in words is "one trillion, two hundred eleven billion, three hundred thirteen million, one hundred thirty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 109 218 327 436 654 872 1308 2616 2683 5366 8049 10732 16098 21464 32196 64392 172583 292447 345166 517749 584894 690332 877341 1035498 1169788 1380664 1754682 2070996 2339576 3509364 4141992 7018728 18811547 37623094 56434641 75246188 112869282 150492376 225738564 451477128 463040189 926080378 1389120567 1852160756 2778241134 3704321512 5556482268 11112964536 50471380601 100942761202 151414141803 201885522404 302828283606 403771044808 605656567212 1211313134424