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22243513049 = 233143172383
BaseRepresentation
bin10100101101110100…
…010001001011011001
32010102012002112120122
4110231310101023121
5331023314404144
614115111403025
71415133512162
oct245564211331
963365075518
1022243513049
11948497963a
124389383475
132136432b54
14111024c769
158a2bd07ee
hex52dd112d9

22243513049 has 16 divisors (see below), whose sum is σ = 24015273984. Its totient is φ = 20542011600.

The previous prime is 22243513013. The next prime is 22243513079. The reversal of 22243513049 is 94031534222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22243513049 is a prime.

It is a super-2 number, since 2×222435130492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22243513079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271112 + ... + 343494.

It is an arithmetic number, because the mean of its divisors is an integer number (1500954624).

Almost surely, 222243513049 is an apocalyptic number.

It is an amenable number.

22243513049 is a deficient number, since it is larger than the sum of its proper divisors (1771760935).

22243513049 is a wasteful number, since it uses less digits than its factorization.

22243513049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72868.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 22243513049 in words is "twenty-two billion, two hundred forty-three million, five hundred thirteen thousand, forty-nine".

Divisors: 1 23 31 431 713 9913 13361 72383 307303 1664809 2243873 31197073 51609079 717532679 967109263 22243513049