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42718291242 = 23111934065623
BaseRepresentation
bin100111110010001101…
…010110010100101010
311002021010000001001220
4213302031112110222
51144441340304432
631342521122510
73041412325104
oct476215262452
9132233001056
1042718291242
11171313a8530
128342329436
13404a2a1713
1420d3602574
1511a048172c
hex9f235652a

42718291242 has 32 divisors (see below), whose sum is σ = 98108997120. Its totient is φ = 12263623920.

The previous prime is 42718291229. The next prime is 42718291243. The reversal of 42718291242 is 24219281724.

42718291242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42718291194 and 42718291203.

It is not an unprimeable number, because it can be changed into a prime (42718291243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17031558 + ... + 17034065.

It is an arithmetic number, because the mean of its divisors is an integer number (3065906160).

Almost surely, 242718291242 is an apocalyptic number.

42718291242 is an abundant number, since it is smaller than the sum of its proper divisors (55390705878).

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

42718291242 is a wasteful number, since it uses less digits than its factorization.

42718291242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34065658.

The product of its digits is 129024, while the sum is 42.

The spelling of 42718291242 in words is "forty-two billion, seven hundred eighteen million, two hundred ninety-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 34065623 68131246 102196869 204393738 374721853 647246837 749443706 1124165559 1294493674 1941740511 2248331118 3883481022 7119715207 14239430414 21359145621 42718291242