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13405422352 = 247317143687
BaseRepresentation
bin11000111110000011…
…01000001100010000
31021121020200000101011
430133001220030100
5204423242003402
610054112420304
7653125132000
oct143701501420
937536600334
1013405422352
11575a014253
122721547694
13135839139a
14912542000
15536d36ed7
hex31f068310

13405422352 has 80 divisors (see below), whose sum is σ = 32071161600. Its totient is φ = 5407191552.

The previous prime is 13405422337. The next prime is 13405422383. The reversal of 13405422352 is 25322450431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21453 + ... + 165139.

It is an arithmetic number, because the mean of its divisors is an integer number (400889520).

Almost surely, 213405422352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13405422352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16035580800).

13405422352 is an abundant number, since it is smaller than the sum of its proper divisors (18665739248).

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

13405422352 is a wasteful number, since it uses less digits than its factorization.

13405422352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143733 (or 143713 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 13405422352 its reverse (25322450431), we get a palindrome (38727872783).

The spelling of 13405422352 in words is "thirteen billion, four hundred five million, four hundred twenty-two thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 17 28 34 49 56 68 98 112 119 136 196 238 272 343 392 476 686 784 833 952 1372 1666 1904 2744 3332 5488 5831 6664 11662 13328 23324 46648 93296 143687 287374 574748 1005809 1149496 2011618 2298992 2442679 4023236 4885358 7040663 8046472 9770716 14081326 16092944 17098753 19541432 28162652 34197506 39082864 49284641 56325304 68395012 98569282 112650608 119691271 136790024 197138564 239382542 273580048 394277128 478765084 788554256 837838897 957530168 1675677794 1915060336 3351355588 6702711176 13405422352