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2124004405 = 57116213691
BaseRepresentation
bin111111010011001…
…1011110000110101
312111000200121021211
41332212123300311
513322221120110
6550432441421
7103430511445
oct17646336065
95430617254
102124004405
1199aa43a46
124b33a9271
1327b073b53
14162138125
15c670998a
hex7e99bc35

2124004405 has 16 divisors (see below), whose sum is σ = 2586999168. Its totient is φ = 1673784000.

The previous prime is 2124004343. The next prime is 2124004427. The reversal of 2124004405 is 5044004212.

It is a happy number.

It is not a de Polignac number, because 2124004405 - 213 = 2123996213 is a prime.

It is a super-2 number, since 2×21240044052 = 9022789424918808050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573610 + ... + 577300.

It is an arithmetic number, because the mean of its divisors is an integer number (161687448).

Almost surely, 22124004405 is an apocalyptic number.

It is an amenable number.

2124004405 is a deficient number, since it is larger than the sum of its proper divisors (462994763).

2124004405 is a wasteful number, since it uses less digits than its factorization.

2124004405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2124004405 is about 46086.9222773663. The cubic root of 2124004405 is about 1285.4399831729.

Adding to 2124004405 its reverse (5044004212), we get a palindrome (7168008617).

The spelling of 2124004405 in words is "two billion, one hundred twenty-four million, four thousand, four hundred five".

Divisors: 1 5 71 355 1621 3691 8105 18455 115091 262061 575455 1310305 5983111 29915555 424800881 2124004405