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20113014012 = 223713163112997
BaseRepresentation
bin10010101110110101…
…000011110011111100
31220220201011222022220
4102232311003303330
5312142412422022
613123443405340
71311263540550
oct225665036374
956821158286
1020113014012
1185912aa133
123a93983850
131b86c26b30
14d8b303860
157cab4185c
hex4aed43cfc

20113014012 has 96 divisors (see below), whose sum is σ = 58115323392. Its totient is φ = 5271941376.

The previous prime is 20113014011. The next prime is 20113014071. The reversal of 20113014012 is 21041031102.

It is a super-2 number, since 2×201130140122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20113013982 and 20113014000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113014011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121498 + ... + 234494.

It is an arithmetic number, because the mean of its divisors is an integer number (605367952).

Almost surely, 220113014012 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 20113014012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29057661696).

20113014012 is an abundant number, since it is smaller than the sum of its proper divisors (38002309380).

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

20113014012 is a wasteful number, since it uses less digits than its factorization.

20113014012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113187 (or 113185 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20113014012 its reverse (21041031102), we get a palindrome (41154045114).

The spelling of 20113014012 in words is "twenty billion, one hundred thirteen million, fourteen thousand, twelve".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 163 182 273 326 364 489 546 652 978 1092 1141 1956 2119 2282 3423 4238 4564 6357 6846 8476 12714 13692 14833 25428 29666 44499 59332 88998 112997 177996 225994 338991 451988 677982 790979 1355964 1468961 1581958 2372937 2937922 3163916 4406883 4745874 5875844 8813766 9491748 10282727 17627532 18418511 20565454 30848181 36837022 41130908 55255533 61696362 73674044 110511066 123392724 128929577 221022132 239440643 257859154 386788731 478881286 515718308 718321929 773577462 957762572 1436643858 1547154924 1676084501 2873287716 3352169002 5028253503 6704338004 10056507006 20113014012