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242958824640 = 263257219313779
BaseRepresentation
bin1110001001000101111…
…0010111010011000000
3212020010012220002100200
43202101132113103000
512440034424342030
6303340322445200
723360513635500
oct3422136272300
9766105802320
10242958824640
1194046a16a64
123b106503800
1319bac39a43c
14ba8b617a00
1564beab9d60
hex38917974c0

242958824640 has 2016 divisors, whose sum is σ = 1098567475200. Its totient is φ = 48910417920.

The previous prime is 242958824629. The next prime is 242958824663. The reversal of 242958824640 is 46428859242.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a super-2 number, since 2×2429588246402 (a number of 24 digits) contains 22 as substring.

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 287 ways as a sum of consecutive naturals, for example, 3075428121 + ... + 3075428199.

Almost surely, 2242958824640 is an apocalyptic number.

242958824640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242958824640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549283737600).

242958824640 is an abundant number, since it is smaller than the sum of its proper divisors (855608650560).

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

242958824640 is a wasteful number, since it uses less digits than its factorization.

242958824640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 242958824640 in words is "two hundred forty-two billion, nine hundred fifty-eight million, eight hundred twenty-four thousand, six hundred forty".