Base | Representation |
---|---|
bin | 100010010101000… |
… | …1110011110011110 |
3 | 2222021112121012211 |
4 | 1010222032132132 |
5 | 4324342420110 |
6 | 310145351034 |
7 | 40355105302 |
oct | 10452163636 |
9 | 2867477184 |
10 | 1151920030 |
11 | 541257628 |
12 | 28193847a |
13 | 15485bcb1 |
14 | acdb5d02 |
15 | 6b1de98a |
hex | 44a8e79e |
1151920030 has 32 divisors (see below), whose sum is σ = 2185522560. Its totient is φ = 435929760.
The previous prime is 1151920027. The next prime is 1151920031. The reversal of 1151920030 is 300291511.
It is a super-3 number, since 3×11519200303 (a number of 28 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1151919983 and 1151920010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1151920031) 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, 153465 + ... + 160795.
It is an arithmetic number, because the mean of its divisors is an integer number (68297580).
Almost surely, 21151920030 is an apocalyptic number.
1151920030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1151920030 is a deficient number, since it is larger than the sum of its proper divisors (1033602530).
1151920030 is a wasteful number, since it uses less digits than its factorization.
1151920030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8184.
The product of its (nonzero) digits is 270, while the sum is 22.
The square root of 1151920030 is about 33939.9474071484. The cubic root of 1151920030 is about 1048.2723000980.
The spelling of 1151920030 in words is "one billion, one hundred fifty-one million, nine hundred twenty thousand, thirty".
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