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21131413112 = 2389101457643
BaseRepresentation
bin10011101011100001…
…111100011001111000
32000112200111000021002
4103223201330121320
5321234120204422
613412503304132
71345441022255
oct235341743170
960480430232
1021131413112
118a6414a487
124118a4b048
131cb9c06854
14104668042c
1583a259692
hex4eb87c678

21131413112 has 64 divisors (see below), whose sum is σ = 40614890400. Its totient is φ = 10304870400.

The previous prime is 21131413109. The next prime is 21131413123.

21131413112 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×211314131122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32863463 + ... + 32864105.

Almost surely, 221131413112 is an apocalyptic number.

It is an amenable number.

21131413112 is a deficient number, since it is larger than the sum of its proper divisors (19483477288).

21131413112 is a wasteful number, since it uses less digits than its factorization.

21131413112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1292 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The spelling of 21131413112 in words is "twenty-one billion, one hundred thirty-one million, four hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 89 101 178 202 356 404 457 643 712 808 914 1286 1828 2572 3656 5144 8989 17978 35956 40673 46157 57227 64943 71912 81346 92314 114454 129886 162692 184628 228908 259772 293851 325384 369256 457816 519544 587702 1175404 2350808 4107973 5779927 8215946 11559854 16431892 23119708 26152739 29678951 32863784 46239416 52305478 59357902 104610956 118715804 209221912 237431608 2641426639 5282853278 10565706556 21131413112