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25321483893 = 329291051539
BaseRepresentation
bin10111100101010001…
…110010111001110101
32102100200211122210210
4113211101302321311
5403324244441033
615344343140033
71554330030126
oct274521627165
972320748723
1025321483893
11a8143546a2
124aa8144619
132507016c84
141322d5004d
159d3026d63
hex5e5472e75

25321483893 has 8 divisors (see below), whose sum is σ = 34926184800. Its totient is φ = 16298886128.

The previous prime is 25321483871. The next prime is 25321483937. The reversal of 25321483893 is 39838412352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25321483893 - 222 = 25317289589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321483843) 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, 145525683 + ... + 145525856.

It is an arithmetic number, because the mean of its divisors is an integer number (4365773100).

Almost surely, 225321483893 is an apocalyptic number.

It is an amenable number.

25321483893 is a deficient number, since it is larger than the sum of its proper divisors (9604700907).

25321483893 is a wasteful number, since it uses less digits than its factorization.

25321483893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291051571.

The product of its digits is 1244160, while the sum is 48.

The spelling of 25321483893 in words is "twenty-five billion, three hundred twenty-one million, four hundred eighty-three thousand, eight hundred ninety-three".

Divisors: 1 3 29 87 291051539 873154617 8440494631 25321483893