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242394444916 = 221319212912553
BaseRepresentation
bin1110000110111111010…
…1011011010001110100
3212011122212220121220221
43201233311123101310
512432410434214131
6303204322104124
723340521533531
oct3415765332164
9764585817827
10242394444916
1193887388138
123ab894ab044
1319b1c493a40
14ba366a3d88
15648a286411
hex386fd5b474

242394444916 has 36 divisors (see below), whose sum is σ = 482128941252. Its totient is φ = 105986226816.

The previous prime is 242394444913. The next prime is 242394444967. The reversal of 242394444916 is 619444493242.

It can be written as a sum of positive squares in 2 ways, for example, as 155283283600 + 87111161316 = 394060^2 + 295146^2 .

It is a super-2 number, since 2×2423944449162 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242394444913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6437505 + ... + 6475048.

Almost surely, 2242394444916 is an apocalyptic number.

242394444916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

242394444916 is a deficient number, since it is larger than the sum of its proper divisors (239734496336).

242394444916 is a wasteful number, since it uses less digits than its factorization.

242394444916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912608 (or 12912587 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 52.

The spelling of 242394444916 in words is "two hundred forty-two billion, three hundred ninety-four million, four hundred forty-four thousand, nine hundred sixteen".

Divisors: 1 2 4 13 19 26 38 52 76 247 361 494 722 988 1444 4693 9386 18772 12912553 25825106 51650212 167863189 245338507 335726378 490677014 671452756 981354028 3189400591 4661431633 6378801182 9322863266 12757602364 18645726532 60598611229 121197222458 242394444916