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22620017706 = 231113179147283
BaseRepresentation
bin10101000100010000…
…100001010000101010
32011101102112221212120
4111010100201100222
5332311211031311
614220321252110
71430354656326
oct250420412052
964342487776
1022620017706
119658457110
124473494036
132196439080
141148258986
158c5ca2706
hex54442142a

22620017706 has 64 divisors (see below), whose sum is σ = 53446417920. Its totient is φ = 6291887040.

The previous prime is 22620017687. The next prime is 22620017741. The reversal of 22620017706 is 60771002622.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79941 + ... + 227223.

It is an arithmetic number, because the mean of its divisors is an integer number (835100280).

Almost surely, 222620017706 is an apocalyptic number.

22620017706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22620017706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26723208960).

22620017706 is an abundant number, since it is smaller than the sum of its proper divisors (30826400214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22620017706 is a wasteful number, since it uses less digits than its factorization.

22620017706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147491.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 22620017706 in words is "twenty-two billion, six hundred twenty million, seventeen thousand, seven hundred six".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 179 286 358 429 537 858 1074 1969 2327 3938 4654 5907 6981 11814 13962 25597 51194 76791 147283 153582 294566 441849 883698 1620113 1914679 3240226 3829358 4860339 5744037 9720678 11488074 21061469 26363657 42122938 52727314 63184407 79090971 126368814 158181942 290000227 342727541 580000454 685455082 870000681 1028182623 1740001362 2056365246 3770002951 7540005902 11310008853 22620017706