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22200047051 = 7131923558253
BaseRepresentation
bin10100101011001110…
…011101010111001011
32010022011022020102212
4110223032131113023
5330431203001201
614110520015335
71414065200150
oct245316352713
963264266385
1022200047051
119462390a26
12437690154b
13212a424820
141108576227
1589de96abb
hex52b39d5cb

22200047051 has 32 divisors (see below), whose sum is σ = 30011735040. Its totient is φ = 15916881024.

The previous prime is 22200047033. The next prime is 22200047119. The reversal of 22200047051 is 15074000222.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22200047051 is a prime.

It is a super-2 number, since 2×222000470512 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (22200047251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239360 + ... + 318893.

It is an arithmetic number, because the mean of its divisors is an integer number (937866720).

Almost surely, 222200047051 is an apocalyptic number.

22200047051 is a deficient number, since it is larger than the sum of its proper divisors (7811687989).

22200047051 is a wasteful number, since it uses less digits than its factorization.

22200047051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558315.

The product of its (nonzero) digits is 1120, while the sum is 23.

Adding to 22200047051 its reverse (15074000222), we get a palindrome (37274047273).

The spelling of 22200047051 in words is "twenty-two billion, two hundred million, forty-seven thousand, fifty-one".

Divisors: 1 7 13 19 23 91 133 161 247 299 437 1729 2093 3059 5681 39767 558253 3907771 7257289 10606807 12839819 50801023 74247649 89878733 137888491 166917647 243956561 965219437 1168423529 1707695927 3171435293 22200047051