Search a number
-
+
2101402411 = 8632434997
BaseRepresentation
bin111110101000000…
…1101101100101011
312102110011022011221
41331100031230223
513300424334121
6544304202511
7103034424433
oct17520155453
95373138157
102101402411
11989206809
124a7909437
1327648c2a4
1415d1332c3
15c4742b41
hex7d40db2b

2101402411 has 4 divisors (see below), whose sum is σ = 2103838272. Its totient is φ = 2098966552.

The previous prime is 2101402399. The next prime is 2101402439. The reversal of 2101402411 is 1142041012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101402411 - 29 = 2101401899 is a prime.

It is a super-2 number, since 2×21014024112 = 8831784185913225842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101402441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216636 + ... + 1218361.

It is an arithmetic number, because the mean of its divisors is an integer number (525959568).

Almost surely, 22101402411 is an apocalyptic number.

2101402411 is a deficient number, since it is larger than the sum of its proper divisors (2435861).

2101402411 is an equidigital number, since it uses as much as digits as its factorization.

2101402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435860.

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

The square root of 2101402411 is about 45841.0559542426. The cubic root of 2101402411 is about 1280.8641647779.

Adding to 2101402411 its reverse (1142041012), we get a palindrome (3243443423).

The spelling of 2101402411 in words is "two billion, one hundred one million, four hundred two thousand, four hundred eleven".

Divisors: 1 863 2434997 2101402411