Search a number
-
+
1020203103230 = 25195369490017
BaseRepresentation
bin11101101100010001101…
…01111111001111111110
310121112022201010101222122
432312020311333033332
5113203333443300410
62100401433042542
7133464404203433
oct16661065771776
93545281111878
101020203103230
11363736067423
1214587bb56452
1375287a760ac
14375416bbb8a
151b810250e55
hexed88d7f3fe

1020203103230 has 16 divisors (see below), whose sum is σ = 1933016406480. Its totient is φ = 386603281152.

The previous prime is 1020203103229. The next prime is 1020203103251. The reversal of 1020203103230 is 323013020201.

It is a junction number, because it is equal to n+sod(n) for n = 1020203103199 and 1020203103208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2684744819 + ... + 2684745198.

It is an arithmetic number, because the mean of its divisors is an integer number (120813525405).

Almost surely, 21020203103230 is an apocalyptic number.

1020203103230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020203103230 is a deficient number, since it is larger than the sum of its proper divisors (912813303250).

1020203103230 is a wasteful number, since it uses less digits than its factorization.

1020203103230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5369490043.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1020203103230 its reverse (323013020201), we get a palindrome (1343216123431).

The spelling of 1020203103230 in words is "one trillion, twenty billion, two hundred three million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 5369490017 10738980034 26847450085 53694900170 102020310323 204040620646 510101551615 1020203103230