Base | Representation |
---|---|
bin | 10111000110011000… |
… | …00000100000110010 |
3 | 1012000021122000010212 |
4 | 23203030000200302 |
5 | 200344241313300 |
6 | 5410331224122 |
7 | 616215046100 |
oct | 134314004062 |
9 | 35007560125 |
10 | 12401510450 |
11 | 529436939a |
12 | 24a12a8042 |
13 | 12283b4784 |
14 | 859096c70 |
15 | 4c8b31935 |
hex | 2e3300832 |
12401510450 has 72 divisors (see below), whose sum is σ = 27273030084. Its totient is φ = 4182192000.
The previous prime is 12401510449. The next prime is 12401510467. The reversal of 12401510450 is 5401510421.
It can be written as a sum of positive squares in 6 ways, for example, as 761042569 + 11640467881 = 27587^2 + 107891^2 .
It is a super-2 number, since 2×124015104502 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107960 + ... + 190940.
Almost surely, 212401510450 is an apocalyptic number.
12401510450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12401510450 is an abundant number, since it is smaller than the sum of its proper divisors (14871519634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12401510450 is a wasteful number, since it uses less digits than its factorization.
12401510450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83068 (or 83056 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 23.
The spelling of 12401510450 in words is "twelve billion, four hundred one million, five hundred ten thousand, four hundred fifty".
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