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242631136242 = 232112607183527
BaseRepresentation
bin1110000111110111110…
…0010101001111110010
3212012021101021210101100
43201331330111033302
512433402032324432
6303244015145230
723346424425645
oct3417574251762
9765241253340
10242631136242
1193998a50900
123b034815216
1319b59526891
14ba59cb7a5c
1564a0e3c07c
hex387df153f2

242631136242 has 72 divisors (see below), whose sum is σ = 578791519488. Its totient is φ = 73403058960.

The previous prime is 242631136229. The next prime is 242631136289.

242631136242 is a `hidden beast` number, since 2 + 4 + 2 + 631 + 13 + 6 + 2 + 4 + 2 = 666.

242631136242 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 242631136197 and 242631136206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1230283 + ... + 1413809.

It is an arithmetic number, because the mean of its divisors is an integer number (8038771104).

Almost surely, 2242631136242 is an apocalyptic number.

242631136242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 242631136242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289395759744).

242631136242 is an abundant number, since it is smaller than the sum of its proper divisors (336160383246).

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

242631136242 is a wasteful number, since it uses less digits than its factorization.

242631136242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184164 (or 184150 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

It can be divided in two parts, 242631 and 136242, that added together give a palindrome (378873).

The spelling of 242631136242 in words is "two hundred forty-two billion, six hundred thirty-one million, one hundred thirty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 607 726 1089 1214 1821 2178 3642 5463 6677 10926 13354 20031 40062 60093 73447 120186 146894 183527 220341 367054 440682 550581 661023 1101162 1322046 1651743 2018797 3303486 4037594 6056391 12112782 18169173 22206767 36338346 44413534 66620301 111400889 133240602 199860903 222801778 334202667 399721806 668405334 1002608001 1225409779 2005216002 2450819558 3676229337 7352458674 11028688011 13479507569 22057376022 26959015138 40438522707 80877045414 121315568121 242631136242