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22031044042 = 2782112891487
BaseRepresentation
bin10100100001001001…
…110000110111001010
32002212101021222220011
4110201021300313022
5330104421402132
614042041422134
71406643533050
oct244111606712
962771258804
1022031044042
119385a4a517
12432a19a94a
132101401247
1410cdd421d0
1588e211b47
hex521270dca

22031044042 has 32 divisors (see below), whose sum is σ = 37868290560. Its totient is φ = 9416722560.

The previous prime is 22031044003. The next prime is 22031044043. The reversal of 22031044042 is 24044013022.

It is a happy number.

22031044042 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (22031044043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14815023 + ... + 14816509.

It is an arithmetic number, because the mean of its divisors is an integer number (1183384080).

Almost surely, 222031044042 is an apocalyptic number.

22031044042 is a deficient number, since it is larger than the sum of its proper divisors (15837246518).

22031044042 is a wasteful number, since it uses less digits than its factorization.

22031044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22031044042 its reverse (24044013022), we get a palindrome (46075057064).

The spelling of 22031044042 in words is "twenty-two billion, thirty-one million, forty-four thousand, forty-two".

Divisors: 1 2 7 14 821 1289 1487 1642 2578 2974 5747 9023 10409 11494 18046 20818 1058269 1220827 1916743 2116538 2441654 3833486 7407883 8545789 13417201 14815766 17091578 26834402 1573646003 3147292006 11015522021 22031044042