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2104210141 = 11191291831
BaseRepresentation
bin111110101101011…
…1011001011011101
312102122102221122221
41331122323023131
513302134211031
6544444305341
7103100330305
oct17532731335
95378387587
102104210141
1198a854250
124a8842251
13276c33277
1415d664605
15c4ae9a11
hex7d6bb2dd

2104210141 has 4 divisors (see below), whose sum is σ = 2295501984. Its totient is φ = 1912918300.

The previous prime is 2104210133. The next prime is 2104210151. The reversal of 2104210141 is 1410124012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2104210141 - 23 = 2104210133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104210151) 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, 95645905 + ... + 95645926.

It is an arithmetic number, because the mean of its divisors is an integer number (573875496).

Almost surely, 22104210141 is an apocalyptic number.

It is an amenable number.

2104210141 is a deficient number, since it is larger than the sum of its proper divisors (191291843).

2104210141 is a wasteful number, since it uses less digits than its factorization.

2104210141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191291842.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2104210141 is about 45871.6703532801. The cubic root of 2104210141 is about 1281.4343744948.

Adding to 2104210141 its reverse (1410124012), we get a palindrome (3514334153).

The spelling of 2104210141 in words is "two billion, one hundred four million, two hundred ten thousand, one hundred forty-one".

Divisors: 1 11 191291831 2104210141