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25023142115 = 55004628423
BaseRepresentation
bin10111010011011111…
…101101100011100011
32101120220110022211022
4113103133231203203
5402221411021430
615255004440055
71544045125046
oct272337554343
971526408738
1025023142115
11a680a03044
124a2424902b
13248a279b8a
1412d548cc5d
159b6c444e5
hex5d37ed8e3

25023142115 has 4 divisors (see below), whose sum is σ = 30027770544. Its totient is φ = 20018513688.

The previous prime is 25023142103. The next prime is 25023142117. The reversal of 25023142115 is 51124132052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25023142115 - 214 = 25023125731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25023142117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502314207 + ... + 2502314216.

It is an arithmetic number, because the mean of its divisors is an integer number (7506942636).

Almost surely, 225023142115 is an apocalyptic number.

25023142115 is a deficient number, since it is larger than the sum of its proper divisors (5004628429).

25023142115 is an equidigital number, since it uses as much as digits as its factorization.

25023142115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004628428.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 25023142115 its reverse (51124132052), we get a palindrome (76147274167).

The spelling of 25023142115 in words is "twenty-five billion, twenty-three million, one hundred forty-two thousand, one hundred fifteen".

Divisors: 1 5 5004628423 25023142115