Base | Representation |
---|---|
bin | 1001001001111000110… |
… | …0011001011110010011 |
3 | 120000221121122201211201 |
4 | 2102132030121132103 |
5 | 10034043323412401 |
6 | 200130011252031 |
7 | 14235240235123 |
oct | 2223614313623 |
9 | 500847581751 |
10 | 157272872851 |
11 | 60776489176 |
12 | 2659244a017 |
13 | 11aa5275a13 |
14 | 787d65cc83 |
15 | 4157349b01 |
hex | 249e319793 |
157272872851 has 2 divisors, whose sum is σ = 157272872852. Its totient is φ = 157272872850.
The previous prime is 157272872791. The next prime is 157272872879. The reversal of 157272872851 is 158278272751.
157272872851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-157272872851 is a prime.
It is a super-3 number, since 3×1572728728513 (a number of 35 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 157272872792 and 157272872801.
It is not a weakly prime, because it can be changed into another prime (157272872051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78636436425 + 78636436426.
It is an arithmetic number, because the mean of its divisors is an integer number (78636436426).
Almost surely, 2157272872851 is an apocalyptic number.
157272872851 is a deficient number, since it is larger than the sum of its proper divisors (1).
157272872851 is an equidigital number, since it uses as much as digits as its factorization.
157272872851 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4390400, while the sum is 55.
The spelling of 157272872851 in words is "one hundred fifty-seven billion, two hundred seventy-two million, eight hundred seventy-two thousand, eight hundred fifty-one".
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