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238150237157 = 7107317957593
BaseRepresentation
bin1101110111001011011…
…1000011101111100101
3211202201002200112101222
43131302313003233211
512400212430042112
6301223230030125
723130404421140
oct3356267035745
9752632615358
10238150237157
1191aa9667018
123a1a4048345
13195c40aa1c1
14b752b41057
1562dc873372
hex3772dc3be5

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".

Divisors: 1 7 107 749 317957593 2225703151 34021462451 238150237157