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1002402431201 = 6116432826741
BaseRepresentation
bin11101001011000111101…
…01110100000011100001
310112211101011000120112102
432211203311310003201
5112410410010244301
62044255230540145
7132264316036433
oct16454365640341
93484334016472
101002402431201
11357131049026
12142332667655
13736abc25c72
143673353a653
151b11c61cb6b
hexe963d740e1

1002402431201 has 4 divisors (see below), whose sum is σ = 1018835258004. Its totient is φ = 985969604400.

The previous prime is 1002402431159. The next prime is 1002402431231. The reversal of 1002402431201 is 1021342042001.

1002402431201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 103395045601 + 899007385600 = 321551^2 + 948160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1002402431201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002402431231) 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, 8216413310 + ... + 8216413431.

It is an arithmetic number, because the mean of its divisors is an integer number (254708814501).

Almost surely, 21002402431201 is an apocalyptic number.

It is an amenable number.

1002402431201 is a deficient number, since it is larger than the sum of its proper divisors (16432826803).

1002402431201 is an equidigital number, since it uses as much as digits as its factorization.

1002402431201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16432826802.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1002402431201 its reverse (1021342042001), we get a palindrome (2023744473202).

The spelling of 1002402431201 in words is "one trillion, two billion, four hundred two million, four hundred thirty-one thousand, two hundred one".

Divisors: 1 61 16432826741 1002402431201