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103101223021020 = 22325781826367477
BaseRepresentation
bin10111011100010100011111…
…110001100010100111011100
3111112001101021111120001102100
4113130110133301202213130
5102003202301043133040
61003140014210525100
730500550263653650
oct2734243761424734
9445041244501370
10103101223021020
112a93aa8a608824
12b69185ab96790
13456b53297a253
141b661a936ca60
15bdbd757d4b30
hex5dc51fc629dc

103101223021020 has 72 divisors (see below), whose sum is σ = 357417573143904. Its totient is φ = 23565993833088.

The previous prime is 103101223021009. The next prime is 103101223021021. The reversal of 103101223021020 is 20120322101301.

103101223021020 is a `hidden beast` number, since 1 + 0 + 310 + 1 + 22 + 302 + 10 + 20 = 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 = 103101223020984 and 103101223021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103101223021021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40913182479 + ... + 40913184998.

It is an arithmetic number, because the mean of its divisors is an integer number (4964132960332).

Almost surely, 2103101223021020 is an apocalyptic number.

103101223021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103101223021020 is an abundant number, since it is smaller than the sum of its proper divisors (254316350122884).

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

103101223021020 is a wasteful number, since it uses less digits than its factorization.

103101223021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81826367499 (or 81826367494 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103101223021020 its reverse (20120322101301), we get a palindrome (123221545122321).

The spelling of 103101223021020 in words is "one hundred three trillion, one hundred one billion, two hundred twenty-three million, twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 81826367477 163652734954 245479102431 327305469908 409131837385 490958204862 572784572339 736437307293 818263674770 981916409724 1145569144678 1227395512155 1472874614586 1636527349540 1718353717017 2291138289356 2454791024310 2863922861695 2945749229172 3436707434034 3682186536465 4909582048620 5155061151051 5727845723390 6873414868068 7364373072930 8591768585085 10310122302102 11455691446780 14728746145860 17183537170170 20620244604204 25775305755255 34367074340340 51550611510510 103101223021020