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238831023705 = 3515922068247
BaseRepresentation
bin1101111001101101110…
…0000011011001011001
3211211110112201001222120
43132123130003121121
512403111220224310
6301414545411453
723153312130441
oct3363334033131
9754415631876
10238831023705
119231898302a
123a354039b89
13196a2150191
14b7b9317121
15632c4ecb70
hex379b703659

238831023705 has 8 divisors (see below), whose sum is σ = 382129637952. Its totient is φ = 127376545968.

The previous prime is 238831023667. The next prime is 238831023737. The reversal of 238831023705 is 507320138832.

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

It is not a de Polignac number, because 238831023705 - 28 = 238831023449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7961034109 + ... + 7961034138.

It is an arithmetic number, because the mean of its divisors is an integer number (47766204744).

Almost surely, 2238831023705 is an apocalyptic number.

It is an amenable number.

238831023705 is a deficient number, since it is larger than the sum of its proper divisors (143298614247).

238831023705 is a wasteful number, since it uses less digits than its factorization.

238831023705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15922068255.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 238831023705 in words is "two hundred thirty-eight billion, eight hundred thirty-one million, twenty-three thousand, seven hundred five".

Divisors: 1 3 5 15 15922068247 47766204741 79610341235 238831023705