Base | Representation |
---|---|
bin | 1001001001111000100… |
… | …1010100110010110001 |
3 | 120000221120010210202121 |
4 | 2102132021110302301 |
5 | 10034043122122444 |
6 | 200125542114241 |
7 | 14235230341333 |
oct | 2223611246261 |
9 | 500846123677 |
10 | 157272067249 |
11 | 60775a88990 |
12 | 2659211b981 |
13 | 11aa505312b |
14 | 787d4cd453 |
15 | 415723b084 |
hex | 249e254cb1 |
157272067249 has 8 divisors (see below), whose sum is σ = 171574549920. Its totient is φ = 142970421600.
The previous prime is 157272067247. The next prime is 157272067273. The reversal of 157272067249 is 942760272751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 157272067249 - 21 = 157272067247 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 157272067196 and 157272067205.
It is not an unprimeable number, because it can be changed into a prime (157272067247) 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, 222334 + ... + 603304.
It is an arithmetic number, because the mean of its divisors is an integer number (21446818740).
Almost surely, 2157272067249 is an apocalyptic number.
It is an amenable number.
157272067249 is a deficient number, since it is larger than the sum of its proper divisors (14302482671).
157272067249 is a wasteful number, since it uses less digits than its factorization.
157272067249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418511.
The product of its (nonzero) digits is 2963520, while the sum is 52.
The spelling of 157272067249 in words is "one hundred fifty-seven billion, two hundred seventy-two million, sixty-seven thousand, two hundred forty-nine".
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