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238423499382516 = 22372405482141807
BaseRepresentation
bin110110001101100001001011…
…111111001001111011110100
31011021012001201121111220112020
4312031201023333021323310
5222222312311320220031
62203030124334153140
7101135346402256500
oct6615411377117364
91137161647456466
10238423499382516
1169a72924793918
12228a80a36527b0
13a3063162b9786
1442c3a8a775300
151c86e2077c096
hexd8d84bfc9ef4

238423499382516 has 36 divisors (see below), whose sum is σ = 647149498325568. Its totient is φ = 68120999823408.

The previous prime is 238423499382487. The next prime is 238423499382529. The reversal of 238423499382516 is 615283994324832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202741070316 + ... + 202741071491.

It is an arithmetic number, because the mean of its divisors is an integer number (17976374953488).

Almost surely, 2238423499382516 is an apocalyptic number.

It is an amenable number.

238423499382516 is an abundant number, since it is smaller than the sum of its proper divisors (408725998943052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238423499382516 is a wasteful number, since it uses less digits than its factorization.

238423499382516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405482141828 (or 405482141819 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 69.

The spelling of 238423499382516 in words is "two hundred thirty-eight trillion, four hundred twenty-three billion, four hundred ninety-nine million, three hundred eighty-two thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 405482141807 810964283614 1216446425421 1621928567228 2432892850842 2838374992649 4865785701684 5676749985298 8515124977947 11353499970596 17030249955894 19868624948543 34060499911788 39737249897086 59605874845629 79474499794172 119211749691258 238423499382516