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2102111230 = 25210211123
BaseRepresentation
bin111110101001011…
…1010101111111110
312102111111022111111
41331102322233332
513301120024410
6544331312234
7103043436112
oct17522725776
95374438444
102102111230
1198965030a
124a7bab67a
13276679acb
1415d279742
15c4832b8a
hex7d4babfe

2102111230 has 8 divisors (see below), whose sum is σ = 3783800232. Its totient is φ = 840844488.

The previous prime is 2102111191. The next prime is 2102111267. The reversal of 2102111230 is 321112012.

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

It is a super-2 number, since 2×21021112302 = 8837743246584225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2102111230.

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, 105105552 + ... + 105105571.

It is an arithmetic number, because the mean of its divisors is an integer number (472975029).

Almost surely, 22102111230 is an apocalyptic number.

2102111230 is a deficient number, since it is larger than the sum of its proper divisors (1681689002).

2102111230 is a wasteful number, since it uses less digits than its factorization.

2102111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210211130.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2102111230 is about 45848.7865706389. The cubic root of 2102111230 is about 1281.0081636602.

Adding to 2102111230 its reverse (321112012), we get a palindrome (2423223242).

The spelling of 2102111230 in words is "two billion, one hundred two million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 210211123 420422246 1051055615 2102111230