Base | Representation |
---|---|
bin | 100010010101010… |
… | …0011001110100111 |
3 | 2222021200220211000 |
4 | 1010222203032213 |
5 | 4324403130111 |
6 | 310151244343 |
7 | 40355611152 |
oct | 10452431647 |
9 | 2867626730 |
10 | 1152005031 |
11 | 541305481 |
12 | 2819796b3 |
13 | 15488b8a8 |
14 | acdd8c99 |
15 | 6b209c56 |
hex | 44aa33a7 |
1152005031 has 16 divisors (see below), whose sum is σ = 1735603200. Its totient is φ = 754985304.
The previous prime is 1152005021. The next prime is 1152005039. The reversal of 1152005031 is 1305002511.
It is not a de Polignac number, because 1152005031 - 26 = 1152004967 is a prime.
It is a super-2 number, since 2×11520050312 = 2654231182898621922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1152004995 and 1152005013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1152005039) 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, 359991 + ... + 363176.
It is an arithmetic number, because the mean of its divisors is an integer number (108475200).
Almost surely, 21152005031 is an apocalyptic number.
1152005031 is a deficient number, since it is larger than the sum of its proper divisors (583598169).
1152005031 is an equidigital number, since it uses as much as digits as its factorization.
1152005031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 723235 (or 723229 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
The square root of 1152005031 is about 33941.1996105029. The cubic root of 1152005031 is about 1048.2980837172.
Adding to 1152005031 its reverse (1305002511), we get a palindrome (2457007542).
The spelling of 1152005031 in words is "one billion, one hundred fifty-two million, five thousand, thirty-one".
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