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25023301045 = 517397741541
BaseRepresentation
bin10111010011100000…
…010100010110110101
32101120220202101211121
4113103200110112311
5402221431113140
615255012103541
71544046356311
oct272340242665
971526671747
1025023301045
11a681001496
124a24304bb1
13248a304312
1412d54d0b41
159b6c7664a
hex5d38145b5

25023301045 has 16 divisors (see below), whose sum is σ = 31874441328. Its totient is φ = 18793589760.

The previous prime is 25023301027. The next prime is 25023301063. The reversal of 25023301045 is 54010332052.

It is an interprime number because it is at equal distance from previous prime (25023301027) and next prime (25023301063).

It can be written as a sum of positive squares in 8 ways, for example, as 437688241 + 24585612804 = 20921^2 + 156798^2 .

It is not a de Polignac number, because 25023301045 - 27 = 25023300917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 337026 + ... + 404515.

It is an arithmetic number, because the mean of its divisors is an integer number (1992152583).

Almost surely, 225023301045 is an apocalyptic number.

It is an amenable number.

25023301045 is a deficient number, since it is larger than the sum of its proper divisors (6851140283).

25023301045 is a wasteful number, since it uses less digits than its factorization.

25023301045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741960.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 25023301045 its reverse (54010332052), we get a palindrome (79033633097).

The spelling of 25023301045 in words is "twenty-five billion, twenty-three million, three hundred one thousand, forty-five".

Divisors: 1 5 17 85 397 1985 6749 33745 741541 3707705 12606197 63030985 294391777 1471958885 5004660209 25023301045