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101001010123020 = 22357659364914409
BaseRepresentation
bin10110111101110000100001…
…010101001001000100001100
3111020121121021001110112001110
4112331300201111021010030
5101214300032042414040
6554451120135412020
730163040120613330
oct2675604125110414
9436547231415043
10101001010123020
112a20031913a487
12b3b2809b24010
13444847b7844c7
141ad269147d7c0
15ba2404a66980
hex5bdc2154910c

101001010123020 has 96 divisors (see below), whose sum is σ = 323693678246400. Its totient is φ = 23050913324544.

The previous prime is 101001010122997. The next prime is 101001010123043. The reversal of 101001010123020 is 20321010100101.

It is an interprime number because it is at equal distance from previous prime (101001010122997) and next prime (101001010123043).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101001010122987 and 101001010123005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182180425 + ... + 182733984.

It is an arithmetic number, because the mean of its divisors is an integer number (3371809148400).

Almost surely, 2101001010123020 is an apocalyptic number.

101001010123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001010123020 is an abundant number, since it is smaller than the sum of its proper divisors (222692668123380).

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

101001010123020 is a wasteful number, since it uses less digits than its factorization.

101001010123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364915087 (or 364915085 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101001010123020 its reverse (20321010100101), we get a palindrome (121322020223121).

The spelling of 101001010123020 in words is "one hundred one trillion, one billion, ten million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 659 1318 1977 2636 3295 3954 4613 6590 7908 9226 9885 13180 13839 18452 19770 23065 27678 39540 46130 55356 69195 92260 138390 276780 364914409 729828818 1094743227 1459657636 1824572045 2189486454 2554400863 3649144090 4378972908 5108801726 5473716135 7298288180 7663202589 10217603452 10947432270 12772004315 15326405178 21894864540 25544008630 30652810356 38316012945 51088017260 76632025890 153264051780 240478595531 480957191062 721435786593 961914382124 1202392977655 1442871573186 1683350168717 2404785955310 2885743146372 3366700337434 3607178932965 4809571910620 5050050506151 6733400674868 7214357865930 8416750843585 10100101012302 14428715731860 16833501687170 20200202024604 25250252530755 33667003374340 50500505061510 101001010123020