Base | Representation |
---|---|
bin | 1001001001101111110… |
… | …0001010001000101010 |
3 | 120000211222111201010112 |
4 | 2102123330022020222 |
5 | 10034004133430130 |
6 | 200122141014322 |
7 | 14234300653256 |
oct | 2223374121052 |
9 | 500758451115 |
10 | 157235061290 |
11 | 6075710284a |
12 | 265818543a2 |
13 | 11a9a497308 |
14 | 7878619266 |
15 | 4153d7b495 |
hex | 249bf0a22a |
157235061290 has 16 divisors (see below), whose sum is σ = 283047229440. Its totient is φ = 62888664720.
The previous prime is 157235061259. The next prime is 157235061293. The reversal of 157235061290 is 92160532751.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (157235061293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545666 + ... + 782445.
It is an arithmetic number, because the mean of its divisors is an integer number (17690451840).
Almost surely, 2157235061290 is an apocalyptic number.
157235061290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157235061290 is a deficient number, since it is larger than the sum of its proper divisors (125812168150).
157235061290 is a wasteful number, since it uses less digits than its factorization.
157235061290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1339957.
The product of its (nonzero) digits is 113400, while the sum is 41.
The spelling of 157235061290 in words is "one hundred fifty-seven billion, two hundred thirty-five million, sixty-one thousand, two hundred ninety".
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