Base | Representation |
---|---|
bin | 1110000110010011111101… |
… | …10111101000010000010000 |
3 | 11001202212200111002201201201 |
4 | 13003021332313220100100 |
5 | 13030424024312021134 |
6 | 145534401413240544 |
7 | 6346623154510345 |
oct | 703117667502020 |
9 | 131685614081651 |
10 | 31003202454544 |
11 | 99734255964a1 |
12 | 3588765933154 |
13 | 143b7880258b8 |
14 | 7927c4c5a7cc |
15 | 38b6e7775914 |
hex | 1c327ede8410 |
31003202454544 has 40 divisors (see below), whose sum is σ = 61202799602712. Its totient is φ = 15208938501120.
The previous prime is 31003202454541. The next prime is 31003202454583. The reversal of 31003202454544 is 44545420230013.
31003202454544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 8513906979600 + 22489295474944 = 2917860^2 + 4742288^2 .
It is a super-2 number, since 2×310032024545442 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31003202454541) 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, 97837542 + ... + 98153914.
Almost surely, 231003202454544 is an apocalyptic number.
It is an amenable number.
31003202454544 is a deficient number, since it is larger than the sum of its proper divisors (30199597148168).
31003202454544 is a wasteful number, since it uses less digits than its factorization.
31003202454544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 431995 (or 431989 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 37.
Adding to 31003202454544 its reverse (44545420230013), we get a palindrome (75548622684557).
The spelling of 31003202454544 in words is "thirty-one trillion, three billion, two hundred two million, four hundred fifty-four thousand, five hundred forty-four".
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