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24505313425 = 521773789857
BaseRepresentation
bin10110110100101000…
…010110100010010001
32100020211001220101221
4112310220112202101
5400141330012200
615131345525041
71525156504315
oct266450264221
970224056357
1024505313425
11a43567974a
1248ba943781
132406bc1a78
1412867b5b45
1598655891a
hex5b4a16891

24505313425 has 24 divisors (see below), whose sum is σ = 32614816536. Its totient is φ = 18198282240.

The previous prime is 24505313423. The next prime is 24505313431. The reversal of 24505313425 is 52431350542.

It can be written as a sum of positive squares in 12 ways, for example, as 1301189184 + 23204124241 = 36072^2 + 152329^2 .

It is not a de Polignac number, because 24505313425 - 21 = 24505313423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24505313423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 363904 + ... + 425953.

It is an arithmetic number, because the mean of its divisors is an integer number (1358950689).

Almost surely, 224505313425 is an apocalyptic number.

24505313425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24505313425 is a deficient number, since it is larger than the sum of its proper divisors (8109503111).

24505313425 is a wasteful number, since it uses less digits than its factorization.

24505313425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789957 (or 789952 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 24505313425 its reverse (52431350542), we get a palindrome (76936663967).

The spelling of 24505313425 in words is "twenty-four billion, five hundred five million, three hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 5 17 25 73 85 365 425 1241 1825 6205 31025 789857 3949285 13427569 19746425 57659561 67137845 288297805 335689225 980212537 1441489025 4901062685 24505313425