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42030918558 = 23217863159161
BaseRepresentation
bin100111001001001111…
…001110101110011110
311000111012120220000100
4213021033032232132
51142034403343213
631150404241530
73015364625106
oct471117165636
9130435526010
1042030918558
11169093a3232
1281900a02a6
133c6aa63a15
14206a1d4206
15115ee55773
hex9c93ceb9e

42030918558 has 48 divisors (see below), whose sum is σ = 96536209536. Its totient is φ = 13170808320.

The previous prime is 42030918557. The next prime is 42030918593. The reversal of 42030918558 is 85581903024.

42030918558 is a `hidden beast` number, since 4 + 2 + 0 + 3 + 0 + 91 + 8 + 558 = 666.

It is a super-2 number, since 2×420309185582 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030918557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184498 + ... + 343658.

It is an arithmetic number, because the mean of its divisors is an integer number (2011171032).

Almost surely, 242030918558 is an apocalyptic number.

42030918558 is an abundant number, since it is smaller than the sum of its proper divisors (54505290978).

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

42030918558 is a wasteful number, since it uses less digits than its factorization.

42030918558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160049 (or 160046 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 42030918558 in words is "forty-two billion, thirty million, nine hundred eighteen thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 863 1726 2589 5178 7767 14671 15534 29342 44013 88026 132039 159161 264078 318322 477483 954966 1432449 2705737 2864898 5411474 8117211 16234422 24351633 48703266 137355943 274711886 412067829 824135658 1236203487 2335051031 2472406974 4670102062 7005153093 14010306186 21015459279 42030918558