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10202002131401 = 28333601130297
BaseRepresentation
bin1001010001110101011010…
…1101101000100111001001
31100010022011001212202021122
42110131112231220213021
52314122200021201101
633410422435445025
72102033060211143
oct224352655504711
940108131782248
1010202002131401
113283710268173
121189271a56775
135900771b9c22
14273acb0a1c93
1512a59e04b51b
hex94756b689c9

10202002131401 has 4 divisors (see below), whose sum is σ = 10205603264532. Its totient is φ = 10198400998272.

The previous prime is 10202002131383. The next prime is 10202002131437. The reversal of 10202002131401 is 10413120020201.

10202002131401 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 2232786051001 + 7969216080400 = 1494251^2 + 2822980^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202002131401 - 214 = 10202002115017 is a prime.

It is a super-2 number, since 2×102020021314012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10202002131401.

It is not an unprimeable number, because it can be changed into a prime (10202002131901) 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, 1800562316 + ... + 1800567981.

It is an arithmetic number, because the mean of its divisors is an integer number (2551400816133).

Almost surely, 210202002131401 is an apocalyptic number.

It is an amenable number.

10202002131401 is a deficient number, since it is larger than the sum of its proper divisors (3601133131).

10202002131401 is an equidigital number, since it uses as much as digits as its factorization.

10202002131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601133130.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10202002131401 its reverse (10413120020201), we get a palindrome (20615122151602).

The spelling of 10202002131401 in words is "ten trillion, two hundred two billion, two million, one hundred thirty-one thousand, four hundred one".

Divisors: 1 2833 3601130297 10202002131401