Base | Representation |
---|---|
bin | 100111001110100… |
… | …0001100100101000 |
3 | 10101201201111010111 |
4 | 1032131001210220 |
5 | 10143423401324 |
6 | 334335224104 |
7 | 44421532342 |
oct | 11635014450 |
9 | 3351644114 |
10 | 1316231464 |
11 | 615a841a9 |
12 | 308978034 |
13 | 17c8cbcb2 |
14 | c6b48292 |
15 | 7a849794 |
hex | 4e741928 |
1316231464 has 16 divisors (see below), whose sum is σ = 2501742420. Its totient is φ = 649100160.
The previous prime is 1316231461. The next prime is 1316231467. The reversal of 1316231464 is 4641326131.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1316231461) and next prime (1316231467).
It can be written as a sum of positive squares in 2 ways, for example, as 1280924100 + 35307364 = 35790^2 + 5942^2 .
It is not an unprimeable number, because it can be changed into a prime (1316231461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126327 + ... + 1127494.
Almost surely, 21316231464 is an apocalyptic number.
It is an amenable number.
1316231464 is a deficient number, since it is larger than the sum of its proper divisors (1185510956).
1316231464 is a wasteful number, since it uses less digits than its factorization.
1316231464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2253900 (or 2253896 counting only the distinct ones).
The product of its digits is 10368, while the sum is 31.
The square root of 1316231464 is about 36279.9044100174. The cubic root of 1316231464 is about 1095.9163916721.
Adding to 1316231464 its reverse (4641326131), we get a palindrome (5957557595).
The spelling of 1316231464 in words is "one billion, three hundred sixteen million, two hundred thirty-one thousand, four hundred sixty-four".
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