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2121022030 = 25212102203
BaseRepresentation
bin111111001101100…
…0011101001001110
312110211002002020111
41332123003221032
513320440201110
6550244510234
7103363250461
oct17633035116
95424062214
102121022030
11999297276
124b23ab37a
1327a56b52a
1416199d2d8
15c631ae8a
hex7e6c3a4e

2121022030 has 8 divisors (see below), whose sum is σ = 3817839672. Its totient is φ = 848408808.

The previous prime is 2121022021. The next prime is 2121022061. The reversal of 2121022030 is 302201212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2121022030.

It is a congruent number.

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, 106051092 + ... + 106051111.

It is an arithmetic number, because the mean of its divisors is an integer number (477229959).

Almost surely, 22121022030 is an apocalyptic number.

2121022030 is a deficient number, since it is larger than the sum of its proper divisors (1696817642).

2121022030 is a wasteful number, since it uses less digits than its factorization.

2121022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212102210.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2121022030 is about 46054.5549321671. The cubic root of 2121022030 is about 1284.8380604115.

Adding to 2121022030 its reverse (302201212), we get a palindrome (2423223242).

The spelling of 2121022030 in words is "two billion, one hundred twenty-one million, twenty-two thousand, thirty".

Divisors: 1 2 5 10 212102203 424204406 1060511015 2121022030