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22728763712016 = 243417537626321
BaseRepresentation
bin1010010101011111100111…
…11000110010001000010000
32222110211220121210201110000
411022233303320302020100
510434342002002241031
6120201241102410000
74534045644616125
oct512576370621020
988424817721400
1022728763712016
11727323a63a03a
122670ba0b90900
13c8b40c1bb87b
145881141a274c
1529636223c3e6
hex14abf3e32210

22728763712016 has 50 divisors (see below), whose sum is σ = 65783636333822. Its totient is φ = 7576254570240.

The previous prime is 22728763711993. The next prime is 22728763712021. The reversal of 22728763712016 is 61021736782722.

It is a happy number.

22728763712016 is a `hidden beast` number, since 227 + 28 + 7 + 6 + 371 + 20 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22559270115600 + 169493596416 = 4749660^2 + 411696^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8768811865 + ... + 8768814456.

Almost surely, 222728763712016 is an apocalyptic number.

It is an amenable number.

22728763712016 is an abundant number, since it is smaller than the sum of its proper divisors (43054872621806).

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

22728763712016 is a wasteful number, since it uses less digits than its factorization.

22728763712016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17537626341 (or 17537626326 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 22728763712016 in words is "twenty-two trillion, seven hundred twenty-eight billion, seven hundred sixty-three million, seven hundred twelve thousand, sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 17537626321 35075252642 52612878963 70150505284 105225757926 140301010568 157838636889 210451515852 280602021136 315677273778 420903031704 473515910667 631354547556 841806063408 947031821334 1262709095112 1420547732001 1894063642668 2525418190224 2841095464002 3788127285336 5682190928004 7576254570672 11364381856008 22728763712016