Search a number
-
+
1002000210001 = 7991144442873
BaseRepresentation
bin11101001010010111101…
…11011101100001010001
310112210100010011121202221
432211023313131201101
5112404044023210001
62044151301541041
7132251333154040
oct16451367354121
93483303147687
101002000210001
11356a44aa630a
1214223ba14781
13736467b765b
14366d5d58557
151b0e716b1a1
hexe94bddd851

1002000210001 has 8 divisors (see below), whose sum is σ = 1146298648064. Its totient is φ = 857990659680.

The previous prime is 1002000209953. The next prime is 1002000210007. The reversal of 1002000210001 is 1000120002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002000210001 - 213 = 1002000201809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002000210007) 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, 72214500 + ... + 72228373.

It is an arithmetic number, because the mean of its divisors is an integer number (143287331008).

Almost surely, 21002000210001 is an apocalyptic number.

It is an amenable number.

1002000210001 is a deficient number, since it is larger than the sum of its proper divisors (144298438063).

1002000210001 is an equidigital number, since it uses as much as digits as its factorization.

1002000210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144443871.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1002000210001 its reverse (1000120002001), we get a palindrome (2002120212002).

The spelling of 1002000210001 in words is "one trillion, two billion, two hundred ten thousand, one".

Divisors: 1 7 991 6937 144442873 1011100111 143142887143 1002000210001