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25890489000467 = 7131590717885891
BaseRepresentation
bin1011110001100000110010…
…11001100110001000010011
310101200002212200201212201022
411320300121121212020103
511343142210141003332
6131021532040230055
75311345311265010
oct570603131461023
9111602780655638
1025890489000467
1182821050936a3
122aa190046b32b
13115a60254a210
1465716bb98707
152ed70eb1a212
hex178c19666213

25890489000467 has 16 divisors (see below), whose sum is σ = 31867222232832. Its totient is φ = 20483493576480.

The previous prime is 25890489000463. The next prime is 25890489000487. The reversal of 25890489000467 is 76400098409852.

It is a cyclic number.

It is not a de Polignac number, because 25890489000467 - 22 = 25890489000463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25890489000463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7495409 + ... + 10390482.

It is an arithmetic number, because the mean of its divisors is an integer number (1991701389552).

Almost surely, 225890489000467 is an apocalyptic number.

25890489000467 is a deficient number, since it is larger than the sum of its proper divisors (5976733232365).

25890489000467 is a wasteful number, since it uses less digits than its factorization.

25890489000467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17901818.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 25890489000467 in words is "twenty-five trillion, eight hundred ninety billion, four hundred eighty-nine million, four hundred sixty-seven", and thus it is an aban number.

Divisors: 1 7 13 91 15907 111349 206791 1447537 17885891 125201237 232516583 1627616081 284510868137 1991576076959 3698641285781 25890489000467