Base | Representation |
---|---|
bin | 1010000011000000110… |
… | …00100010101101001111 |
3 | 1020000001120212001111210 |
4 | 11001200120202231033 |
5 | 21123444343230111 |
6 | 422331143145503 |
7 | 33640510145142 |
oct | 5014030425517 |
9 | 1200046761453 |
10 | 345214430031 |
11 | 12344a600849 |
12 | 56aa3745293 |
13 | 267272aa113 |
14 | 129cc06c059 |
15 | 8ea6d570a6 |
hex | 5060622b4f |
345214430031 has 16 divisors (see below), whose sum is σ = 470575793664. Its totient is φ = 225008355264.
The previous prime is 345214430017. The next prime is 345214430039. The reversal of 345214430031 is 130034412543.
It is not a de Polignac number, because 345214430031 - 233 = 336624495439 is a prime.
It is a super-2 number, since 2×3452144300312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (345214430039) 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, 1159150 + ... + 1426203.
It is an arithmetic number, because the mean of its divisors is an integer number (29410987104).
Almost surely, 2345214430031 is an apocalyptic number.
345214430031 is a deficient number, since it is larger than the sum of its proper divisors (125361363633).
345214430031 is a wasteful number, since it uses less digits than its factorization.
345214430031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2586350.
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 345214430031 its reverse (130034412543), we get a palindrome (475248842574).
The spelling of 345214430031 in words is "three hundred forty-five billion, two hundred fourteen million, four hundred thirty thousand, thirty-one".
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