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203424131024101 = 13731180118164249
BaseRepresentation
bin101110010000001101011111…
…000100011000010011100101
3222200021011020110020201222201
4232100031133010120103211
5203130400110020232401
62000351431120454501
760563623413640561
oct5620153704302345
9880234213221881
10203424131024101
11598a9764785a49
121a994b61a7a431
138967a759100b0
143833acd8a46a1
15187b7dd94eb01
hexb9035f1184e5

203424131024101 has 16 divisors (see below), whose sum is σ = 222091959726000. Its totient is φ = 185188141209600.

The previous prime is 203424131024089. The next prime is 203424131024131. The reversal of 203424131024101 is 101420131424302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 122588215876 + 203301542808225 = 350126^2 + 14258385^2 .

It is a cyclic number.

It is not a de Polignac number, because 203424131024101 - 217 = 203424130893029 is a prime.

It is a super-2 number, since 2×2034241310241012 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203424131024101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203424131024131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2117025 + ... + 20281273.

It is an arithmetic number, because the mean of its divisors is an integer number (13880747482875).

Almost surely, 2203424131024101 is an apocalyptic number.

It is an amenable number.

203424131024101 is a deficient number, since it is larger than the sum of its proper divisors (18667828701899).

203424131024101 is a wasteful number, since it uses less digits than its factorization.

203424131024101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18176136.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 203424131024101 its reverse (101420131424302), we get a palindrome (304844262448403).

The spelling of 203424131024101 in words is "two hundred three trillion, four hundred twenty-four billion, one hundred thirty-one million, twenty-four thousand, one hundred one".

Divisors: 1 13 73 949 11801 153413 861473 11199149 18164249 236135237 1325990177 17237872301 214356302449 2786631931837 15648010078777 203424131024101