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20123330100030 = 2325267581835607
BaseRepresentation
bin1001001001101010100111…
…11100010011101100111110
32122020202211110210201121100
410210311103330103230332
510114200040001200110
6110444310310113530
74144601610412503
oct444652374235476
978222743721540
1020123330100030
116459290255643
12231005264b8a6
13b2c81138baa1
144d7d8d9774aa
1524d6c2387bc0
hex124d53f13b3e

20123330100030 has 48 divisors (see below), whose sum is σ = 52320916406304. Its totient is φ = 5366194883520.

The previous prime is 20123330099993. The next prime is 20123330100047. The reversal of 20123330100030 is 3000103332102.

20123330100030 is a `hidden beast` number, since 201 + 2 + 3 + 330 + 100 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20123330099976 and 20123330100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23664487 + ... + 24500093.

It is an arithmetic number, because the mean of its divisors is an integer number (1090019091798).

Almost surely, 220123330100030 is an apocalyptic number.

20123330100030 is an abundant number, since it is smaller than the sum of its proper divisors (32197586306274).

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

20123330100030 is a wasteful number, since it uses less digits than its factorization.

20123330100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103201 (or 1103198 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20123330100030 its reverse (3000103332102), we get a palindrome (23123433432132).

The spelling of 20123330100030 in words is "twenty trillion, one hundred twenty-three billion, three hundred thirty million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 267581 535162 802743 835607 1337905 1605486 1671214 2408229 2506821 2675810 4013715 4178035 4816458 5013642 7520463 8027430 8356070 12041145 12534105 15040926 24082290 25068210 37602315 75204630 223592556667 447185113334 670777670001 1117962783335 1341555340002 2012333010003 2235925566670 3353888350005 4024666020006 6707776700010 10061665050015 20123330100030