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22031012404 = 2226340951203
BaseRepresentation
bin10100100001001001…
…101001001000110100
32002212101020101111101
4110201021221020310
5330104414344104
614042041015444
71406643341602
oct244111511064
962771211441
1022031012404
119385a28775
12432a184584
1321013bca1b
1410cdd34872
1588e2075a4
hex521269234

22031012404 has 24 divisors (see below), whose sum is σ = 38796246720. Its totient is φ = 10946577984.

The previous prime is 22031012401. The next prime is 22031012429. The reversal of 22031012404 is 40421013022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031012401) 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, 404667 + ... + 455869.

It is an arithmetic number, because the mean of its divisors is an integer number (1616510280).

Almost surely, 222031012404 is an apocalyptic number.

It is an amenable number.

22031012404 is a deficient number, since it is larger than the sum of its proper divisors (16765234316).

22031012404 is a wasteful number, since it uses less digits than its factorization.

22031012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51879 (or 51877 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22031012404 its reverse (40421013022), we get a palindrome (62452025426).

The spelling of 22031012404 in words is "twenty-two billion, thirty-one million, twelve thousand, four hundred four".

Divisors: 1 2 4 263 409 526 818 1052 1636 51203 102406 107567 204812 215134 430268 13466389 20942027 26932778 41884054 53865556 83768108 5507753101 11015506202 22031012404