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1050020642 = 21147728211
BaseRepresentation
bin111110100101100…
…000101100100010
32201011210120112102
4332211200230202
54122301130032
6252105330402
735010012446
oct7645405442
92634716472
101050020642
11499789060
12253796a02
13139701ab8
149d64c826
15622b2362
hex3e960b22

1050020642 has 8 divisors (see below), whose sum is σ = 1718215632. Its totient is φ = 477282100.

The previous prime is 1050020641. The next prime is 1050020659. The reversal of 1050020642 is 2460200501.

It is a happy number.

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

It is a super-2 number, since 2×10500206422 = 2205086697252184328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050020641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23864084 + ... + 23864127.

It is an arithmetic number, because the mean of its divisors is an integer number (214776954).

Almost surely, 21050020642 is an apocalyptic number.

1050020642 is a deficient number, since it is larger than the sum of its proper divisors (668194990).

1050020642 is a wasteful number, since it uses less digits than its factorization.

1050020642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47728224.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1050020642 is about 32404.0220034489. The cubic root of 1050020642 is about 1016.4030172327.

The spelling of 1050020642 in words is "one billion, fifty million, twenty thousand, six hundred forty-two".

Divisors: 1 2 11 22 47728211 95456422 525010321 1050020642