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25424510025 = 3524316747207
BaseRepresentation
bin10111101011011010…
…110011110001001001
32102121212200221002110
4113223122303301021
5404032133310100
615402503252533
71560020524635
oct275332636111
972555627073
1025424510025
11a867522762
124b1674a149
132522479c95
1413328cbdc5
159dc0c8250
hex5eb6b3c49

25424510025 has 48 divisors (see below), whose sum is σ = 43271230464. Its totient is φ = 13164809280.

The previous prime is 25424509997. The next prime is 25424510057. The reversal of 25424510025 is 52001542452.

It is not a de Polignac number, because 25424510025 - 28 = 25424509769 is a prime.

It is a super-2 number, since 2×254245100252 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25424509974 and 25424510001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 514972 + ... + 562178.

It is an arithmetic number, because the mean of its divisors is an integer number (901483968).

Almost surely, 225424510025 is an apocalyptic number.

25424510025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25424510025 is a deficient number, since it is larger than the sum of its proper divisors (17846720439).

25424510025 is a wasteful number, since it uses less digits than its factorization.

25424510025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47430 (or 47425 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 25424510025 in words is "twenty-five billion, four hundred twenty-four million, five hundred ten thousand, twenty-five".

Divisors: 1 3 5 15 25 43 75 129 167 215 501 645 835 1075 2505 3225 4175 7181 12525 21543 35905 47207 107715 141621 179525 236035 538575 708105 1180175 2029901 3540525 6089703 7883569 10149505 23650707 30448515 39417845 50747525 118253535 152242575 197089225 338993467 591267675 1016980401 1694967335 5084902005 8474836675 25424510025