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25020056632 = 233127507079
BaseRepresentation
bin10111010011010011…
…111100010000111000
32101120200122120100011
4113103103330100320
5402220113303012
615254414351304
71544006654344
oct272323742070
971520576304
1025020056632
11a67a19595a
124a231bb534
13248973964c
1412d4cc8624
159b68351a7
hex5d34fc438

25020056632 has 8 divisors (see below), whose sum is σ = 46912606200. Its totient is φ = 12510028312.

The previous prime is 25020056599. The next prime is 25020056683. The reversal of 25020056632 is 23665002052.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25020056594 and 25020056603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563753532 + ... + 1563753547.

It is an arithmetic number, because the mean of its divisors is an integer number (5864075775).

Almost surely, 225020056632 is an apocalyptic number.

It is an amenable number.

25020056632 is a deficient number, since it is larger than the sum of its proper divisors (21892549568).

25020056632 is a wasteful number, since it uses less digits than its factorization.

25020056632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127507085 (or 3127507081 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 25020056632 its reverse (23665002052), we get a palindrome (48685058684).

The spelling of 25020056632 in words is "twenty-five billion, twenty million, fifty-six thousand, six hundred thirty-two".

Divisors: 1 2 4 8 3127507079 6255014158 12510028316 25020056632