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242864709486 = 23726932147231
BaseRepresentation
bin1110001000101111011…
…1010101111101101110
3212012212122210112122020
43202023313111331232
512434341331200421
6303323121331010
723355261653340
oct3421367257556
9765778715566
10242864709486
1193aa8884943
123b09aa96a66
1319b95a373b9
14ba7cd19290
1564b66c8dc6
hex388bdd5f6e

242864709486 has 32 divisors (see below), whose sum is σ = 555325728768. Its totient is φ = 69364117920.

The previous prime is 242864709467. The next prime is 242864709487. The reversal of 242864709486 is 684907468242.

It is a happy number.

It is a super-2 number, since 2×2428647094862 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242864709487) 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, 960510 + ... + 1186721.

It is an arithmetic number, because the mean of its divisors is an integer number (17353929024).

Almost surely, 2242864709486 is an apocalyptic number.

242864709486 is an abundant number, since it is smaller than the sum of its proper divisors (312461019282).

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

242864709486 is a wasteful number, since it uses less digits than its factorization.

242864709486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149936.

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 242864709486 in words is "two hundred forty-two billion, eight hundred sixty-four million, seven hundred nine thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 2693 5386 8079 16158 18851 37702 56553 113106 2147231 4294462 6441693 12883386 15030617 30061234 45091851 90183702 5782493083 11564986166 17347479249 34694958498 40477451581 80954903162 121432354743 242864709486