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23042144425 = 527731192349
BaseRepresentation
bin10101011101011010…
…110011100010101001
32012110211212012212111
4111131122303202221
5334142242110200
614330241042321
71444001665426
oct253532634251
965424765774
1023042144425
119854765173
1245709263a1
132232a26ab1
14118833cd4d
158ecd870ba
hex55d6b38a9

23042144425 has 12 divisors (see below), whose sum is σ = 28609245900. Its totient is φ = 18409853120.

The previous prime is 23042144413. The next prime is 23042144459. The reversal of 23042144425 is 52444124032.

It can be written as a sum of positive squares in 6 ways, for example, as 3242277481 + 19799866944 = 56941^2 + 140712^2 .

It is not a de Polignac number, because 23042144425 - 25 = 23042144393 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 576850 + ... + 615499.

It is an arithmetic number, because the mean of its divisors is an integer number (2384103825).

Almost surely, 223042144425 is an apocalyptic number.

23042144425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23042144425 is a deficient number, since it is larger than the sum of its proper divisors (5567101475).

23042144425 is a wasteful number, since it uses less digits than its factorization.

23042144425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193132 (or 1193127 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 23042144425 its reverse (52444124032), we get a palindrome (75486268457).

The spelling of 23042144425 in words is "twenty-three billion, forty-two million, one hundred forty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 773 3865 19325 1192349 5961745 29808725 921685777 4608428885 23042144425