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25020054532 = 2211568637603
BaseRepresentation
bin10111010011010011…
…111011110000000100
32101120200122110110101
4113103103323300010
5402220113221112
615254414333444
71544006645254
oct272323736004
971520573411
1025020054532
11a67a194320
124a231ba284
1324897386c5
1412d4cc7964
159b6834757
hex5d34fbc04

25020054532 has 12 divisors (see below), whose sum is σ = 47765558736. Its totient is φ = 11372752040.

The previous prime is 25020054517. The next prime is 25020054547. The reversal of 25020054532 is 23545002052.

It is an interprime number because it is at equal distance from previous prime (25020054517) and next prime (25020054547).

It is a self number, because there is not a number n which added to its sum of digits gives 25020054532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284318758 + ... + 284318845.

It is an arithmetic number, because the mean of its divisors is an integer number (3980463228).

Almost surely, 225020054532 is an apocalyptic number.

25020054532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25020054532 is a deficient number, since it is larger than the sum of its proper divisors (22745504204).

25020054532 is a wasteful number, since it uses less digits than its factorization.

25020054532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568637618 (or 568637616 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 25020054532 its reverse (23545002052), we get a palindrome (48565056584).

The spelling of 25020054532 in words is "twenty-five billion, twenty million, fifty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 44 568637603 1137275206 2274550412 6255013633 12510027266 25020054532