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10001202131131 = 26213815796311
BaseRepresentation
bin1001000110001001011000…
…0110011011000010111011
31022102002211222020211201121
42101202112012123002323
52302324430221144011
633134253330530111
72051364053316631
oct221422606330273
938362758224647
1010001202131131
113206538965a22
121156372436937
13577156217a13
142680bca55351
1512524a74ee71
hex9189619b0bb

10001202131131 has 4 divisors (see below), whose sum is σ = 10005017930064. Its totient is φ = 9997386332200.

The previous prime is 10001202131069. The next prime is 10001202131147. The reversal of 10001202131131 is 13113120210001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10001202131131 - 219 = 10001201606843 is a prime.

It is a super-2 number, since 2×100012021311312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001202131161) 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, 1907895535 + ... + 1907900776.

It is an arithmetic number, because the mean of its divisors is an integer number (2501254482516).

Almost surely, 210001202131131 is an apocalyptic number.

10001202131131 is a deficient number, since it is larger than the sum of its proper divisors (3815798933).

10001202131131 is an equidigital number, since it uses as much as digits as its factorization.

10001202131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815798932.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10001202131131 its reverse (13113120210001), we get a palindrome (23114322341132).

The spelling of 10001202131131 in words is "ten trillion, one billion, two hundred two million, one hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 2621 3815796311 10001202131131