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240412030421 = 1983152448973
BaseRepresentation
bin1101111111100110101…
…1000111010111010101
3211222112201122112110212
43133321223013113111
512414330434433141
6302235504055205
723240430353453
oct3377153072725
9758481575425
10240412030421
1192a5a361852
123a715604505
1319894865b04
14b8c92a59d3
1563c11e92eb
hex37f9ac75d5

240412030421 has 8 divisors (see below), whose sum is σ = 256114276320. Its totient is φ = 225014682672.

The previous prime is 240412030367. The next prime is 240412030429. The reversal of 240412030421 is 124030214042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240412030421 is a prime.

It is a super-2 number, since 2×2404120304212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240412030429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76222910 + ... + 76226063.

It is an arithmetic number, because the mean of its divisors is an integer number (32014284540).

Almost surely, 2240412030421 is an apocalyptic number.

It is an amenable number.

240412030421 is a deficient number, since it is larger than the sum of its proper divisors (15702245899).

240412030421 is a wasteful number, since it uses less digits than its factorization.

240412030421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152449075.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 240412030421 its reverse (124030214042), we get a palindrome (364442244463).

The spelling of 240412030421 in words is "two hundred forty billion, four hundred twelve million, thirty thousand, four hundred twenty-one".

Divisors: 1 19 83 1577 152448973 2896530487 12653264759 240412030421