Base | Representation |
---|---|
bin | 1101110111001011011… |
… | …1000011101111100101 |
3 | 211202201002200112101222 |
4 | 3131302313003233211 |
5 | 12400212430042112 |
6 | 301223230030125 |
7 | 23130404421140 |
oct | 3356267035745 |
9 | 752632615358 |
10 | 238150237157 |
11 | 91aa9667018 |
12 | 3a1a4048345 |
13 | 195c40aa1c1 |
14 | b752b41057 |
15 | 62dc873372 |
hex | 3772dc3be5 |
238150237157 has 8 divisors (see below), whose sum is σ = 274715361216. Its totient is φ = 202221028512.
The previous prime is 238150237141. The next prime is 238150237217. The reversal of 238150237157 is 751732051832.
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 238150237157 - 24 = 238150237141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238150237357) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158978048 + ... + 158979545.
It is an arithmetic number, because the mean of its divisors is an integer number (34339420152).
Almost surely, 2238150237157 is an apocalyptic number.
It is an amenable number.
238150237157 is a deficient number, since it is larger than the sum of its proper divisors (36565124059).
238150237157 is a wasteful number, since it uses less digits than its factorization.
238150237157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317957707.
The product of its (nonzero) digits is 352800, while the sum is 44.
Adding to 238150237157 its reverse (751732051832), we get a palindrome (989882288989).
The spelling of 238150237157 in words is "two hundred thirty-eight billion, one hundred fifty million, two hundred thirty-seven thousand, one hundred fifty-seven".
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