Base | Representation |
---|---|
bin | 11101001100101000… |
… | …011111100100111010 |
3 | 2222220212102002210122 |
4 | 131030220133210322 |
5 | 1003201204021321 |
6 | 22222513013242 |
7 | 2156615316143 |
oct | 351450374472 |
9 | 88825362718 |
10 | 31350454586 |
11 | 12328572600 |
12 | 60ab254222 |
13 | 2c580b7359 |
14 | 1735940aca |
15 | c374838ab |
hex | 74ca1f93a |
31350454586 has 24 divisors (see below), whose sum is σ = 52397489172. Its totient is φ = 14054990400.
The previous prime is 31350454547. The next prime is 31350454601. The reversal of 31350454586 is 68545405313.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 30802005025 + 548449561 = 175505^2 + 23419^2 .
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869645 + ... + 904976.
Almost surely, 231350454586 is an apocalyptic number.
31350454586 is a deficient number, since it is larger than the sum of its proper divisors (21047034586).
31350454586 is a wasteful number, since it uses less digits than its factorization.
31350454586 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1774718 (or 1774707 counting only the distinct ones).
The product of its (nonzero) digits is 864000, while the sum is 44.
Adding to 31350454586 its reverse (68545405313), we get a palindrome (99895859899).
The spelling of 31350454586 in words is "thirty-one billion, three hundred fifty million, four hundred fifty-four thousand, five hundred eighty-six".
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