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2102411442 = 232231571309
BaseRepresentation
bin111110101010000…
…0100000010110010
312102112001120022110
41331110010002302
513301204131232
6544341550150
7103046126265
oct17524040262
95375046273
102102411442
1198983591a
124a8115356
13276753651
1415d316cdc
15c4891acc
hex7d5040b2

2102411442 has 16 divisors (see below), whose sum is σ = 4223681280. Its totient is φ = 697660752.

The previous prime is 2102411431. The next prime is 2102411449. The reversal of 2102411442 is 2441142012.

It is not an unprimeable number, because it can be changed into a prime (2102411449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784317 + ... + 786992.

It is an arithmetic number, because the mean of its divisors is an integer number (263980080).

Almost surely, 22102411442 is an apocalyptic number.

2102411442 is an abundant number, since it is smaller than the sum of its proper divisors (2121269838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102411442 is a wasteful number, since it uses less digits than its factorization.

2102411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571537.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2102411442 is about 45852.0603899105. The cubic root of 2102411442 is about 1281.0691429447.

Adding to 2102411442 its reverse (2441142012), we get a palindrome (4543553454).

The spelling of 2102411442 in words is "two billion, one hundred two million, four hundred eleven thousand, four hundred forty-two".

Divisors: 1 2 3 6 223 446 669 1338 1571309 3142618 4713927 9427854 350401907 700803814 1051205721 2102411442