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2042221301 = 2398544859
BaseRepresentation
bin111100110111001…
…1101001011110101
312021022210120221222
41321232131023311
513140302040201
6534351520125
7101415410651
oct17156351365
95238716858
102042221301
119588650aa
1248bb29045
1326713ac93
14155329a61
15be45291b
hex79b9d2f5

2042221301 has 4 divisors (see below), whose sum is σ = 2050766400. Its totient is φ = 2033676204.

The previous prime is 2042221261. The next prime is 2042221309. The reversal of 2042221301 is 1031222402.

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 a de Polignac number, because none of the positive numbers 2k-2042221301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042221301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042221309) 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, 4272191 + ... + 4272668.

It is an arithmetic number, because the mean of its divisors is an integer number (512691600).

Almost surely, 22042221301 is an apocalyptic number.

It is an amenable number.

2042221301 is a deficient number, since it is larger than the sum of its proper divisors (8545099).

2042221301 is an equidigital number, since it uses as much as digits as its factorization.

2042221301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8545098.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2042221301 is about 45190.9426876670. The cubic root of 2042221301 is about 1268.7253006718.

Adding to 2042221301 its reverse (1031222402), we get a palindrome (3073443703).

The spelling of 2042221301 in words is "two billion, forty-two million, two hundred twenty-one thousand, three hundred one".

Divisors: 1 239 8544859 2042221301