Search a number
-
+
22102000001 = 49874431923
BaseRepresentation
bin10100100101011000…
…011100000110000001
32010001022210221011122
4110211120130012001
5330231103000001
614053054322025
71411464620534
oct244530340601
963038727148
1022102000001
119412003804
124349ab9315
132113015c13
1410d9532a1b
1589557ab1b
hex52561c181

22102000001 has 4 divisors (see below), whose sum is σ = 22106436912. Its totient is φ = 22097563092.

The previous prime is 22101999973. The next prime is 22102000013. The reversal of 22102000001 is 10000020122.

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 22102000001 - 210 = 22101998977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102000601) 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 3 ways as a sum of consecutive naturals, for example, 2210975 + ... + 2220948.

It is an arithmetic number, because the mean of its divisors is an integer number (5526609228).

Almost surely, 222102000001 is an apocalyptic number.

It is an amenable number.

22102000001 is a deficient number, since it is larger than the sum of its proper divisors (4436911).

22102000001 is an equidigital number, since it uses as much as digits as its factorization.

22102000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436910.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 22102000001 its reverse (10000020122), we get a palindrome (32102020123).

The spelling of 22102000001 in words is "twenty-two billion, one hundred two million, one", and thus it is an aban number.

Divisors: 1 4987 4431923 22102000001