Base | Representation |
---|---|
bin | 1001001011010101001… |
… | …0010100001101110001 |
3 | 120001221121200002011202 |
4 | 2102311102110031301 |
5 | 10040342014101040 |
6 | 200232251220545 |
7 | 14250653303555 |
oct | 2226522241561 |
9 | 501847602152 |
10 | 157660300145 |
11 | 60955147017 |
12 | 26680147755 |
13 | 11b3760473a |
14 | 78b8cad865 |
15 | 417b378015 |
hex | 24b5494371 |
157660300145 has 8 divisors (see below), whose sum is σ = 189542072040. Its totient is φ = 125895098880.
The previous prime is 157660300103. The next prime is 157660300153. The reversal of 157660300145 is 541003066751.
It can be written as a sum of positive squares in 4 ways, for example, as 48223720801 + 109436579344 = 219599^2 + 330812^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157660300145 - 216 = 157660234609 is a prime.
It is a super-2 number, since 2×1576603001452 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 157660300099 and 157660300108.
It is an unprimeable number.
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, 29139680 + ... + 29145089.
It is an arithmetic number, because the mean of its divisors is an integer number (23692759005).
Almost surely, 2157660300145 is an apocalyptic number.
It is an amenable number.
157660300145 is a deficient number, since it is larger than the sum of its proper divisors (31881771895).
157660300145 is an equidigital number, since it uses as much as digits as its factorization.
157660300145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58285315.
The product of its (nonzero) digits is 75600, while the sum is 38.
Adding to 157660300145 its reverse (541003066751), we get a palindrome (698663366896).
The spelling of 157660300145 in words is "one hundred fifty-seven billion, six hundred sixty million, three hundred thousand, one hundred forty-five".
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