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25132450050 = 2325255849889
BaseRepresentation
bin10111011010000000…
…101100000100000010
32101212112010202010100
4113122000230010002
5402432401400200
615313511343230
71546543205061
oct273200540402
971775122110
1025132450050
11a727681784
124a54981b16
1324a6acc226
141305bc41d8
159c1636d00
hex5da02c102

25132450050 has 36 divisors (see below), whose sum is σ = 67522517010. Its totient is φ = 6701986560.

The previous prime is 25132450009. The next prime is 25132450073. The reversal of 25132450050 is 5005423152.

It is a happy number.

25132450050 is a `hidden beast` number, since 25 + 132 + 4 + 500 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 22876865001 + 2255585049 = 151251^2 + 47493^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25132449996 and 25132450023.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27924495 + ... + 27925394.

Almost surely, 225132450050 is an apocalyptic number.

25132450050 is an abundant number, since it is smaller than the sum of its proper divisors (42390066960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25132450050 is a wasteful number, since it uses less digits than its factorization.

25132450050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55849907 (or 55849899 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 25132450050 in words is "twenty-five billion, one hundred thirty-two million, four hundred fifty thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 55849889 111699778 167549667 279249445 335099334 502649001 558498890 837748335 1005298002 1396247225 1675496670 2513245005 2792494450 4188741675 5026490010 8377483350 12566225025 25132450050