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242656579072 = 2917107260549
BaseRepresentation
bin1110000111111101110…
…1011000111000000000
3212012100011011102101101
43201333131120320000
512433430041012242
6303250324344144
723350153614205
oct3417735307000
9765304142341
10242656579072
1193a01349436
123b041245054
1319b618944cb
14ba5d41bcac
1564a32b59b7
hex387f758e00

242656579072 has 80 divisors (see below), whose sum is σ = 518158911600. Its totient is φ = 113123688448.

The previous prime is 242656579063. The next prime is 242656579079. The reversal of 242656579072 is 270975656242.

It is a happy number.

242656579072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242656579079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801054 + ... + 1061602.

It is an arithmetic number, because the mean of its divisors is an integer number (6476986395).

Almost surely, 2242656579072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242656579072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259079455800).

242656579072 is an abundant number, since it is smaller than the sum of its proper divisors (275502332528).

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

242656579072 is a wasteful number, since it uses less digits than its factorization.

242656579072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260691 (or 260675 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 242656579072 in words is "two hundred forty-two billion, six hundred fifty-six million, five hundred seventy-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 107 128 136 214 256 272 428 512 544 856 1088 1712 1819 2176 3424 3638 4352 6848 7276 8704 13696 14552 27392 29104 54784 58208 116416 232832 260549 465664 521098 931328 1042196 2084392 4168784 4429333 8337568 8858666 16675136 17717332 27878743 33350272 35434664 55757486 66700544 70869328 111514972 133401088 141738656 223029944 283477312 446059888 473938631 566954624 892119776 947877262 1133909248 1784239552 1895754524 2267818496 3568479104 3791509048 7136958208 7583018096 14273916416 15166036192 30332072384 60664144768 121328289536 242656579072