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238240497707386 = 2172090969219377
BaseRepresentation
bin110110001010110110110000…
…001111001010100101111010
31011020112120100220120121002121
4312022312300033022211322
5222211313014403114021
62202410101305151454
7101116210424556106
oct6612666017124572
91136476326517077
10238240497707386
1169a02256047799
122287873078b58a
13a2c1ca08253c5
1442b8c8a058906
151c822ae79d741
hexd8adb03ca97a

238240497707386 has 8 divisors (see below), whose sum is σ = 357360959381940. Its totient is φ = 119120177913408.

The previous prime is 238240497707383. The next prime is 238240497707477. The reversal of 238240497707386 is 683707794042832.

It can be written as a sum of positive squares in 2 ways, for example, as 200652182780625 + 37588314926761 = 14165175^2 + 6130931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (238240497707383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31167871 + ... + 38051506.

Almost surely, 2238240497707386 is an apocalyptic number.

238240497707386 is a deficient number, since it is larger than the sum of its proper divisors (119120461674554).

238240497707386 is a wasteful number, since it uses less digits than its factorization.

238240497707386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70940288.

The product of its (nonzero) digits is 682795008, while the sum is 70.

The spelling of 238240497707386 in words is "two hundred thirty-eight trillion, two hundred forty billion, four hundred ninety-seven million, seven hundred seven thousand, three hundred eighty-six".

Divisors: 1 2 1720909 3441818 69219377 138438754 119120248853693 238240497707386