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22010100001 = 34763429683
BaseRepresentation
bin10100011111111001…
…110111100100100001
32002210220212221001221
4110133321313210201
5330034041200001
614040012455041
71406300522521
oct243771674441
962726787057
1022010100001
11937514499a
12432317a481
1320c9c7a216
1410cb24d681
1588c4761a1
hex51fe77921

22010100001 has 4 divisors (see below), whose sum is σ = 22073530032. Its totient is φ = 21946669972.

The previous prime is 22010099989. The next prime is 22010100041. The reversal of 22010100001 is 10000101022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10000101022 = 25000050511.

It is a cyclic number.

It is not a de Polignac number, because 22010100001 - 27 = 22010099873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010100041) 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, 31714495 + ... + 31715188.

It is an arithmetic number, because the mean of its divisors is an integer number (5518382508).

Almost surely, 222010100001 is an apocalyptic number.

It is an amenable number.

22010100001 is a deficient number, since it is larger than the sum of its proper divisors (63430031).

22010100001 is an equidigital number, since it uses as much as digits as its factorization.

22010100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63430030.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 22010100001 its reverse (10000101022), we get a palindrome (32010201023).

The spelling of 22010100001 in words is "twenty-two billion, ten million, one hundred thousand, one".

Divisors: 1 347 63429683 22010100001