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242440130022240 = 25351931788333181
BaseRepresentation
bin110111000111111101111101…
…110101000100101101100000
31011210102001100111200122022210
4313013331331311010231200
5223234114341241202430
62215343242544402120
7102031502300343663
oct6707757565045540
91153361314618283
10242440130022240
1170281310aa6237
1223236631016340
13a538010704217
1443c22446c76da
151d0665679e2b0
hexdc7f7dd44b60

242440130022240 has 192 divisors, whose sum is σ = 764201855515392. Its totient is φ = 64607076710400.

The previous prime is 242440130022203. The next prime is 242440130022271. The reversal of 242440130022240 is 42220031044242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 242440130022198 and 242440130022207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7306578450 + ... + 7306611630.

It is an arithmetic number, because the mean of its divisors is an integer number (3980217997476).

Almost surely, 2242440130022240 is an apocalyptic number.

242440130022240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242440130022240 is an abundant number, since it is smaller than the sum of its proper divisors (521761725493152).

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

242440130022240 is a wasteful number, since it uses less digits than its factorization.

242440130022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43013 (or 43005 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 242440130022240 its reverse (42220031044242), we get a palindrome (284660161066482).

The spelling of 242440130022240 in words is "two hundred forty-two trillion, four hundred forty billion, one hundred thirty million, twenty-two thousand, two hundred forty".