Search a number
-
+
1022103312001 = 3226493167849
BaseRepresentation
bin11101101111110100001…
…10101101011010000001
310121201020010201000101021
432313322012231122001
5113221231421441001
62101314153105441
7133562446542622
oct16677206553201
93551203630337
101022103312001
113645207453a2
121461103b8281
13754cb650995
1437681bdba49
151b8c1ea0ba1
hexedfa1ad681

1022103312001 has 4 divisors (see below), whose sum is σ = 1022106802500. Its totient is φ = 1022099821504.

The previous prime is 1022103311941. The next prime is 1022103312007. The reversal of 1022103312001 is 1002133012201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1006408233601 + 15695078400 = 1003199^2 + 125280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022103312001 - 215 = 1022103279233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022103312007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261276 + ... + 1906573.

It is an arithmetic number, because the mean of its divisors is an integer number (255526700625).

Almost surely, 21022103312001 is an apocalyptic number.

It is an amenable number.

1022103312001 is a deficient number, since it is larger than the sum of its proper divisors (3490499).

1022103312001 is an equidigital number, since it uses as much as digits as its factorization.

1022103312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490498.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1022103312001 its reverse (1002133012201), we get a palindrome (2024236324202).

The spelling of 1022103312001 in words is "one trillion, twenty-two billion, one hundred three million, three hundred twelve thousand, one".

Divisors: 1 322649 3167849 1022103312001