Base | Representation |
---|---|
bin | 1111001000100… |
… | …01011000110011 |
3 | 22211212200011200 |
4 | 13210101120303 |
5 | 224444331130 |
6 | 20332542243 |
7 | 3101022312 |
oct | 744213063 |
9 | 284780150 |
10 | 126948915 |
11 | 65728665 |
12 | 36621983 |
13 | 203bab02 |
14 | 12c08279 |
15 | b229760 |
hex | 7911633 |
126948915 has 48 divisors (see below), whose sum is σ = 228402720. Its totient is φ = 65180160.
The previous prime is 126948889. The next prime is 126948929. The reversal of 126948915 is 519849621.
It is not a de Polignac number, because 126948915 - 25 = 126948883 is a prime.
It is a super-2 number, since 2×1269489152 = 32232054039354450, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
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 47 ways as a sum of consecutive naturals, for example, 152721 + ... + 153549.
It is an arithmetic number, because the mean of its divisors is an integer number (4758390).
Almost surely, 2126948915 is an apocalyptic number.
126948915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
126948915 is a deficient number, since it is larger than the sum of its proper divisors (101453805).
126948915 is a wasteful number, since it uses less digits than its factorization.
126948915 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 964 (or 961 counting only the distinct ones).
The product of its digits is 155520, while the sum is 45.
The square root of 126948915 is about 11267.1609112500. The cubic root of 126948915 is about 502.5851641502.
It can be divided in two parts, 12694 and 8915, that added together give a square (21609 = 1472).
The spelling of 126948915 in words is "one hundred twenty-six million, nine hundred forty-eight thousand, nine hundred fifteen".
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