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2113233331220 = 2251113883691897
BaseRepresentation
bin11110110000000110100…
…001011010010000010100
321111000121212100001221022
4132300012201122100110
5234110400213044340
64254450032140312
7305450614640114
oct36600641322024
97430555301838
102113233331220
1174524313a560
122a1685697698
1312437a8a00cb
14743d1257044
1539e83da93b5
hex1ec0685a414

2113233331220 has 48 divisors (see below), whose sum is σ = 4841581163328. Its totient is φ = 768392021760.

The previous prime is 2113233331199. The next prime is 2113233331273. The reversal of 2113233331220 is 221333323112.

It is a super-2 number, since 2×21132333312202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113233331220.

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, 2708312 + ... + 3400208.

It is an arithmetic number, because the mean of its divisors is an integer number (100866274236).

Almost surely, 22113233331220 is an apocalyptic number.

2113233331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113233331220 is an abundant number, since it is smaller than the sum of its proper divisors (2728347832108).

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

2113233331220 is a wasteful number, since it uses less digits than its factorization.

2113233331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705800 (or 705798 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2113233331220 its reverse (221333323112), we get a palindrome (2334566654332).

The spelling of 2113233331220 in words is "two trillion, one hundred thirteen billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 13883 27766 55532 69415 138830 152713 277660 305426 610852 691897 763565 1383794 1527130 2767588 3054260 3459485 6918970 7610867 13837940 15221734 30443468 38054335 76108670 152217340 9605606051 19211212102 38422424204 48028030255 96056060510 105661666561 192112121020 211323333122 422646666244 528308332805 1056616665610 2113233331220