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103100310230020 = 225291091630817941
BaseRepresentation
bin10111011100010011101001…
…010111100001010000000100
3111112001021220212222110120021
4113130103221113201100010
5102003143413404330040
61003135343442344524
730500515541242465
oct2734235127412004
9445037825873507
10103100310230020
112a93a66133a3a4
12b69164535b144
13456b41882582c
141b66120042d6c
15bdbd205cd24a
hex5dc4e95e1404

103100310230020 has 48 divisors (see below), whose sum is σ = 226031366761200. Its totient is φ = 39452747604480.

The previous prime is 103100310229981. The next prime is 103100310230149. The reversal of 103100310230020 is 20032013001301.

It can be written as a sum of positive squares in 8 ways, for example, as 1385460827136 + 101714849402884 = 1177056^2 + 10085378^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103100310229976 and 103100310230003.

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, 815345751 + ... + 815472190.

It is an arithmetic number, because the mean of its divisors is an integer number (4708986807525).

Almost surely, 2103100310230020 is an apocalyptic number.

103100310230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103100310230020 is an abundant number, since it is smaller than the sum of its proper divisors (122931056531180).

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

103100310230020 is a wasteful number, since it uses less digits than its factorization.

103100310230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630818088 (or 1630818086 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103100310230020 its reverse (20032013001301), we get a palindrome (123132323231321).

The spelling of 103100310230020 in words is "one hundred three trillion, one hundred billion, three hundred ten million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 109 116 145 218 290 436 545 580 1090 2180 3161 6322 12644 15805 31610 63220 1630817941 3261635882 6523271764 8154089705 16308179410 32616358820 47293720289 94587440578 177759155569 189174881156 236468601445 355518311138 472937202890 711036622276 888795777845 945874405780 1777591555690 3555183111380 5155015511501 10310031023002 20620062046004 25775077557505 51550155115010 103100310230020