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1122030021 = 3753430001
BaseRepresentation
bin100001011100000…
…1101000111000101
32220012022000211110
41002320031013011
54244214430041
6303200555233
736543045360
oct10270150705
92805260743
101122030021
115263a1842
12273922b19
1314b5c50b8
14a90350d7
1568788516
hex42e0d1c5

1122030021 has 8 divisors (see below), whose sum is σ = 1709760064. Its totient is φ = 641160000.

The previous prime is 1122030017. The next prime is 1122030023. The reversal of 1122030021 is 1200302211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122030021 - 22 = 1122030017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1122029979 and 1122030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122030023) 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, 26714980 + ... + 26715021.

It is an arithmetic number, because the mean of its divisors is an integer number (213720008).

Almost surely, 21122030021 is an apocalyptic number.

It is an amenable number.

1122030021 is a deficient number, since it is larger than the sum of its proper divisors (587730043).

1122030021 is an equidigital number, since it uses as much as digits as its factorization.

1122030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53430011.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1122030021 is about 33496.7165704342. The cubic root of 1122030021 is about 1039.1258745348.

Adding to 1122030021 its reverse (1200302211), we get a palindrome (2322332232).

The spelling of 1122030021 in words is "one billion, one hundred twenty-two million, thirty thousand, twenty-one".

Divisors: 1 3 7 21 53430001 160290003 374010007 1122030021