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25008032825 = 5223113557691
BaseRepresentation
bin10111010010100110…
…000100110000111001
32101112212000200202222
4113102212010300321
5402204024022300
615253304533425
71543502525456
oct272246046071
971485020688
1025008032825
11a673423226
124a1b181275
1324870b9879
1412d347882d
159b575c785
hex5d2984c39

25008032825 has 48 divisors (see below), whose sum is σ = 32750510976. Its totient is φ = 18905779200.

The previous prime is 25008032821. The next prime is 25008032827. The reversal of 25008032825 is 52823080052.

It is not a de Polignac number, because 25008032825 - 22 = 25008032821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25008032821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36190730 + ... + 36191420.

It is an arithmetic number, because the mean of its divisors is an integer number (682302312).

Almost surely, 225008032825 is an apocalyptic number.

25008032825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25008032825 is a deficient number, since it is larger than the sum of its proper divisors (7742478151).

25008032825 is a wasteful number, since it uses less digits than its factorization.

25008032825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 25008032825 in words is "twenty-five billion, eight million, thirty-two thousand, eight hundred twenty-five".

Divisors: 1 5 23 25 113 115 557 565 575 691 2599 2785 2825 3455 12811 12995 13925 15893 17275 62941 64055 64975 78083 79465 314705 320275 384887 390415 397325 1447643 1573525 1795909 1924435 1952075 7238215 8852401 8979545 9622175 36191075 43492231 44262005 44897725 217461155 221310025 1000321313 1087305775 5001606565 25008032825