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25125021320055 = 35107107581145511
BaseRepresentation
bin1011011011001110111111…
…11110001000001101110111
310021221221001221020201202020
411231213133332020031313
511243122020424220210
6125234135255244223
75202136310331366
oct555473776101567
9107857057221666
1025125021320055
1180075095887a8
122999492979673
131103382947157
1462c0b3b9b7dd
152d885d2c6770
hex16d9dff88377

25125021320055 has 32 divisors (see below), whose sum is σ = 40576391382528. Its totient is φ = 13274562998400.

The previous prime is 25125021320039. The next prime is 25125021320111. The reversal of 25125021320055 is 55002312052152.

It is not a de Polignac number, because 25125021320055 - 24 = 25125021320039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25125021319998 and 25125021320025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172594750 + ... + 172740260.

It is an arithmetic number, because the mean of its divisors is an integer number (1268012230704).

Almost surely, 225125021320055 is an apocalyptic number.

25125021320055 is a deficient number, since it is larger than the sum of its proper divisors (15451370062473).

25125021320055 is a wasteful number, since it uses less digits than its factorization.

25125021320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253207.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 25125021320055 in words is "twenty-five trillion, one hundred twenty-five billion, twenty-one million, three hundred twenty thousand, fifty-five".

Divisors: 1 3 5 15 107 321 535 1605 107581 145511 322743 436533 537905 727555 1613715 2182665 11511167 15569677 34533501 46709031 57555835 77848385 172667505 233545155 15654218891 46962656673 78271094455 234813283365 1675001421337 5025004264011 8375007106685 25125021320055