Search a number
-
+
10231220001012 = 2237311679474887
BaseRepresentation
bin1001010011100010010000…
…1110111101100011110100
31100020002120022110022110120
42110320210032331203310
52320112014310013022
633432054012051540
72104116112050363
oct224704416754364
940202508408416
1010231220001012
113295043a6604a
121192a66a63bb0
13592a5251797a
1427529d6b37da
1512b20e17cd5c
hex94e243bd8f4

10231220001012 has 24 divisors (see below), whose sum is σ = 24199871967936. Its totient is φ = 3363688767168.

The previous prime is 10231220000977. The next prime is 10231220001017. The reversal of 10231220001012 is 21010002213201.

10231220001012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10231220000982 and 10231220001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231220001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5839736568 + ... + 5839738319.

It is an arithmetic number, because the mean of its divisors is an integer number (1008327998664).

Almost surely, 210231220001012 is an apocalyptic number.

10231220001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10231220001012 is an abundant number, since it is smaller than the sum of its proper divisors (13968651966924).

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

10231220001012 is a wasteful number, since it uses less digits than its factorization.

10231220001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679474967 (or 11679474965 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10231220001012 its reverse (21010002213201), we get a palindrome (31241222214213).

The spelling of 10231220001012 in words is "ten trillion, two hundred thirty-one billion, two hundred twenty million, one thousand, twelve".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 11679474887 23358949774 35038424661 46717899548 70076849322 140153698644 852601666751 1705203333502 2557805000253 3410406667004 5115610000506 10231220001012