Search a number
-
+
1030312203020 = 225232239809137
BaseRepresentation
bin11101111111000110110…
…01001001001100001100
310122111102020011212212222
432333203121021030030
5113340034410444040
62105152514114512
7134303045140532
oct16774331111414
93574366155788
101030312203020
11367a53418751
1214782157ba38
1376209241c49
1437c20120152
151bc029aebb5
hexefe364930c

1030312203020 has 24 divisors (see below), whose sum is σ = 2257727611104. Its totient is φ = 394206407936.

The previous prime is 1030312203017. The next prime is 1030312203047. The reversal of 1030312203020 is 203022130301.

It is a self number, because there is not a number n which added to its sum of digits gives 1030312203020.

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, 1119904109 + ... + 1119905028.

It is an arithmetic number, because the mean of its divisors is an integer number (94071983796).

Almost surely, 21030312203020 is an apocalyptic number.

1030312203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030312203020 is an abundant number, since it is smaller than the sum of its proper divisors (1227415408084).

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

1030312203020 is a wasteful number, since it uses less digits than its factorization.

1030312203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239809169 (or 2239809167 counting only the distinct ones).

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

Adding to 1030312203020 its reverse (203022130301), we get a palindrome (1233334333321).

The spelling of 1030312203020 in words is "one trillion, thirty billion, three hundred twelve million, two hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 2239809137 4479618274 8959236548 11199045685 22398091370 44796182740 51515610151 103031220302 206062440604 257578050755 515156101510 1030312203020