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25328055775 = 5211220993989
BaseRepresentation
bin10111100101101010…
…110111010111011111
32102101011012112201211
4113211222313113133
5403332440241100
615345140045251
71554436631131
oct274552672737
972334175654
1025328055775
11a818033200
124aaa393827
1325084a8369
141323b81051
159d38c41ba
hex5e5ab75df

25328055775 has 36 divisors (see below), whose sum is σ = 34546617000. Its totient is φ = 18407012800.

The previous prime is 25328055733. The next prime is 25328055787. The reversal of 25328055775 is 57755082352.

It is not a de Polignac number, because 25328055775 - 229 = 24791184863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6347481 + ... + 6351469.

It is an arithmetic number, because the mean of its divisors is an integer number (959628250).

Almost surely, 225328055775 is an apocalyptic number.

25328055775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25328055775 is a deficient number, since it is larger than the sum of its proper divisors (9218561225).

25328055775 is a wasteful number, since it uses less digits than its factorization.

25328055775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120 (or 6104 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 25328055775 in words is "twenty-five billion, three hundred twenty-eight million, fifty-five thousand, seven hundred seventy-five".

Divisors: 1 5 11 25 55 121 275 605 2099 3025 3989 10495 19945 23089 43879 52475 99725 115445 219395 253979 482669 577225 1096975 1269895 2413345 6349475 8372911 12066725 41864555 92102021 209322775 460510105 1013122231 2302550525 5065611155 25328055775