Base | Representation |
---|---|
bin | 1111110111100010011… |
… | …00000010001011110111 |
3 | 1221010021210012201011220 |
4 | 13323301030002023313 |
5 | 32413043324434111 |
6 | 1054244520401423 |
7 | 54250604310456 |
oct | 7736114021367 |
9 | 1833253181156 |
10 | 545212343031 |
11 | 1a0250176a54 |
12 | 897ba616273 |
13 | 3c54b048385 |
14 | 1c561b68b9d |
15 | e2b0017e06 |
hex | 7ef13022f7 |
545212343031 has 8 divisors (see below), whose sum is σ = 731580044784. Its totient is φ = 361159768320.
The previous prime is 545212342993. The next prime is 545212343041. The reversal of 545212343031 is 130343212545.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 545212343031 - 27 = 545212342903 is a prime.
It is a super-2 number, since 2×5452123430312 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 545212342983 and 545212343001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545212343041) 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, 578781210 + ... + 578782151.
It is an arithmetic number, because the mean of its divisors is an integer number (91447505598).
Almost surely, 2545212343031 is an apocalyptic number.
545212343031 is a deficient number, since it is larger than the sum of its proper divisors (186367701753).
545212343031 is a wasteful number, since it uses less digits than its factorization.
545212343031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1157563521.
The product of its (nonzero) digits is 43200, while the sum is 33.
Adding to 545212343031 its reverse (130343212545), we get a palindrome (675555555576).
The spelling of 545212343031 in words is "five hundred forty-five billion, two hundred twelve million, three hundred forty-three thousand, thirty-one".
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