Base | Representation |
---|---|
bin | 100010010101111… |
… | …0110010000101011 |
3 | 2222022100012100022 |
4 | 1010223312100223 |
5 | 4330000021011 |
6 | 310202431055 |
7 | 40361525540 |
oct | 10453662053 |
9 | 2868305308 |
10 | 1152345131 |
11 | 541517a53 |
12 | 281b0248b |
13 | 15497a632 |
14 | ad086bc7 |
15 | 6b2758db |
hex | 44af642b |
1152345131 has 16 divisors (see below), whose sum is σ = 1399208640. Its totient is φ = 927884160.
The previous prime is 1152345109. The next prime is 1152345137. The reversal of 1152345131 is 1315432511.
It is not a de Polignac number, because 1152345131 - 214 = 1152328747 is a prime.
It is a super-2 number, since 2×11523451312 = 2655798601878814322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1152345131.
It is not an unprimeable number, because it can be changed into a prime (1152345137) 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, 69200 + ... + 84221.
It is an arithmetic number, because the mean of its divisors is an integer number (87450540).
Almost surely, 21152345131 is an apocalyptic number.
1152345131 is a deficient number, since it is larger than the sum of its proper divisors (246863509).
1152345131 is a wasteful number, since it uses less digits than its factorization.
1152345131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153494.
The product of its digits is 1800, while the sum is 26.
The square root of 1152345131 is about 33946.2093760113. The cubic root of 1152345131 is about 1048.4012346264.
Adding to 1152345131 its reverse (1315432511), we get a palindrome (2467777642).
The spelling of 1152345131 in words is "one billion, one hundred fifty-two million, three hundred forty-five thousand, one hundred thirty-one".
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