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25425514982 = 277432444291
BaseRepresentation
bin10111101011011110…
…101001000111100110
32102121221120222122002
4113223132221013212
5404032412434412
615402541005302
71560032211560
oct275336510746
972557528562
1025425514982
11a8680497aa
124b16b53832
13252273c52a
141332ab0330
159dc225dc2
hex5eb7a91e6

25425514982 has 16 divisors (see below), whose sum is σ = 43645277952. Its totient is φ = 10881979080.

The previous prime is 25425514963. The next prime is 25425514987. The reversal of 25425514982 is 28941552452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25425514987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211744 + ... + 1232547.

It is an arithmetic number, because the mean of its divisors is an integer number (2727829872).

Almost surely, 225425514982 is an apocalyptic number.

25425514982 is a deficient number, since it is larger than the sum of its proper divisors (18219762970).

25425514982 is a wasteful number, since it uses less digits than its factorization.

25425514982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445043.

The product of its digits is 1152000, while the sum is 47.

The spelling of 25425514982 in words is "twenty-five billion, four hundred twenty-five million, five hundred fourteen thousand, nine hundred eighty-two".

Divisors: 1 2 7 14 743 1486 5201 10402 2444291 4888582 17110037 34220074 1816108213 3632216426 12712757491 25425514982