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242136631242 = 2321173137122279
BaseRepresentation
bin1110000110000001110…
…1111100011111001010
3212010222220210100001100
43201200131330133022
512431343434144432
6303122552202230
723331241256262
oct3414035743712
9763886710040
10242136631242
11937648a7990
123ab17099376
1319aaac4697c
14ba103527a2
15647280c07c
hex386077c7ca

242136631242 has 96 divisors (see below), whose sum is σ = 584402532480. Its totient is φ = 71840770560.

The previous prime is 242136631207. The next prime is 242136631327.

242136631242 is a `hidden beast` number, since 2 + 4 + 2 + 13 + 6 + 631 + 2 + 4 + 2 = 666.

242136631242 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 242136631197 and 242136631206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1919059 + ... + 2041337.

It is an arithmetic number, because the mean of its divisors is an integer number (6087526380).

Almost surely, 2242136631242 is an apocalyptic number.

242136631242 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 242136631242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292201266240).

242136631242 is an abundant number, since it is smaller than the sum of its proper divisors (342265901238).

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

242136631242 is a wasteful number, since it uses less digits than its factorization.

242136631242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122508 (or 122505 counting only the distinct ones).

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

It can be divided in two parts, 242136 and 631242, that added together give a palindrome (873378).

The spelling of 242136631242 in words is "two hundred forty-two billion, one hundred thirty-six million, six hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 73 99 137 146 198 219 274 411 438 657 803 822 1233 1314 1507 1606 2409 2466 3014 4521 4818 7227 9042 10001 13563 14454 20002 27126 30003 60006 90009 110011 122279 180018 220022 244558 330033 366837 660066 733674 990099 1100511 1345069 1980198 2201022 2690138 4035207 8070414 8926367 12105621 16752223 17852734 24211242 26779101 33504446 50256669 53558202 80337303 98190037 100513338 150770007 160674606 184274453 196380074 294570111 301540014 368548906 552823359 589140222 883710333 1105646718 1222912279 1658470077 1767420666 2445824558 3316940154 3668736837 7337473674 11006210511 13452035069 22012421022 26904070138 40356105207 80712210414 121068315621 242136631242