Base | Representation |
---|---|
bin | 100111000011100… |
… | …1101000000101001 |
3 | 10101022221212022211 |
4 | 1032013031000221 |
5 | 10140442324040 |
6 | 334012445121 |
7 | 44322106126 |
oct | 11607150051 |
9 | 3338855284 |
10 | 1310511145 |
11 | 612827469 |
12 | 306a797a1 |
13 | 17b6783a8 |
14 | c609974d |
15 | 7a0b98ea |
hex | 4e1cd029 |
1310511145 has 8 divisors (see below), whose sum is σ = 1573475904. Its totient is φ = 1047833904.
The previous prime is 1310511119. The next prime is 1310511197. The reversal of 1310511145 is 5411150131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1310511145 - 29 = 1310510633 is a prime.
It is a super-2 number, since 2×13105111452 = 3434878922338422050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 61719 + ... + 80188.
It is an arithmetic number, because the mean of its divisors is an integer number (196684488).
Almost surely, 21310511145 is an apocalyptic number.
It is an amenable number.
1310511145 is a deficient number, since it is larger than the sum of its proper divisors (262964759).
1310511145 is a wasteful number, since it uses less digits than its factorization.
1310511145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143759.
The product of its (nonzero) digits is 300, while the sum is 22.
The square root of 1310511145 is about 36200.9826524088. The cubic root of 1310511145 is about 1094.3264750142.
Adding to 1310511145 its reverse (5411150131), we get a palindrome (6721661276).
The spelling of 1310511145 in words is "one billion, three hundred ten million, five hundred eleven thousand, one hundred forty-five".
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