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238935147612 = 223731733127109
BaseRepresentation
bin1101111010000110100…
…1010000010001011100
3211211201210122010010120
43132201221100101130
512403314344210422
6301433145234540
723156015146620
oct3364151202134
9754653563116
10238935147612
1192371730947
123a382a92a50
13196ba8a8a65
14b7c909d180
15633671945c
hex37a1a5045c

238935147612 has 96 divisors (see below), whose sum is σ = 641125040640. Its totient is φ = 67843733760.

The previous prime is 238935147559. The next prime is 238935147623. The reversal of 238935147612 is 216741539832.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8800314 + ... + 8827422.

It is an arithmetic number, because the mean of its divisors is an integer number (6678385840).

Almost surely, 2238935147612 is an apocalyptic number.

It is an amenable number.

238935147612 is an abundant number, since it is smaller than the sum of its proper divisors (402189893028).

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

238935147612 is a wasteful number, since it uses less digits than its factorization.

238935147612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27771 (or 27769 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 238935147612 in words is "two hundred thirty-eight billion, nine hundred thirty-five million, one hundred forty-seven thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 317 331 634 662 951 993 1268 1324 1902 1986 2219 2317 3804 3972 4438 4634 6657 6951 8876 9268 13314 13902 26628 27109 27804 54218 81327 104927 108436 162654 189763 209854 314781 325308 379526 419708 569289 629562 734489 759052 1138578 1259124 1468978 2203467 2277156 2937956 4406934 8593553 8813868 8973079 17187106 17946158 25780659 26919237 34374212 35892316 51561318 53838474 60154871 62811553 103122636 107676948 120309742 125623106 180464613 188434659 240619484 251246212 360929226 376869318 721858452 753738636 2844466043 5688932086 8533398129 11377864172 17066796258 19911262301 34133592516 39822524602 59733786903 79645049204 119467573806 238935147612