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4905215664242 = 22487798589373
BaseRepresentation
bin100011101100001010110…
…1000110010000001110010
3122100221012220122222110012
41013120111220302001302
51120331340202223432
614233231443134522
71014250550125625
oct107302550620162
918327186588405
104905215664242
111621321400183
126727b6974442
13297737cc34aa
1412d5b12c5dbc
15878e133dcb2
hex47615a32072

4905215664242 has 8 divisors (see below), whose sum is σ = 7358119339116. Its totient is φ = 2452509217872.

The previous prime is 4905215664229. The next prime is 4905215664277. The reversal of 4905215664242 is 2424665125094.

It can be written as a sum of positive squares in 2 ways, for example, as 3101187918361 + 1804027745881 = 1761019^2 + 1343141^2 .

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

It is a super-2 number, since 2×49052156642422 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49244933 + ... + 49344440.

Almost surely, 24905215664242 is an apocalyptic number.

4905215664242 is a deficient number, since it is larger than the sum of its proper divisors (2452903674874).

4905215664242 is a wasteful number, since it uses less digits than its factorization.

4905215664242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98614252.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 4905215664242 in words is "four trillion, nine hundred five billion, two hundred fifteen million, six hundred sixty-four thousand, two hundred forty-two".

Divisors: 1 2 24877 49754 98589373 197178746 2452607832121 4905215664242