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4242903918 = 2311142944987
BaseRepresentation
bin1111110011100101…
…1001001101101110
3101221200202211222120
43330321121031232
532142140411133
61541004053410
7210100042161
oct37471311556
911850684876
104242903918
111888010570
129a4b34266
1352804b246
142c3703ad8
1519c756ab3
hexfce5936e

4242903918 has 32 divisors (see below), whose sum is σ = 9263928960. Its totient is φ = 1284800160.

The previous prime is 4242903893. The next prime is 4242903919. The reversal of 4242903918 is 8193092424.

It is a self number, because there is not a number n which added to its sum of digits gives 4242903918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242903919) 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, 71821 + ... + 116807.

It is an arithmetic number, because the mean of its divisors is an integer number (289497780).

Almost surely, 24242903918 is an apocalyptic number.

4242903918 is an abundant number, since it is smaller than the sum of its proper divisors (5021025042).

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

4242903918 is a wasteful number, since it uses less digits than its factorization.

4242903918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46432.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 4242903918 is about 65137.5768508470. The cubic root of 4242903918 is about 1618.9038866280.

The spelling of 4242903918 in words is "four billion, two hundred forty-two million, nine hundred three thousand, nine hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 1429 2858 4287 8574 15719 31438 44987 47157 89974 94314 134961 269922 494857 989714 1484571 2969142 64286423 128572846 192859269 385718538 707150653 1414301306 2121451959 4242903918