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25067425373 = 31397781973
BaseRepresentation
bin10111010110001000…
…101000111001011101
32101200222210011000222
4113112020220321131
5402314230102443
615303225531125
71545123412544
oct272610507135
971628704028
1025067425373
11a6a39a9781
124a37043aa5
1324964b31a3
1412db2d915b
159baa90468
hex5d6228e5d

25067425373 has 8 divisors (see below), whose sum is σ = 25173559608. Its totient is φ = 24961457664.

The previous prime is 25067425367. The next prime is 25067425381. The reversal of 25067425373 is 37352476052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 442597444 + 24624827929 = 21038^2 + 156923^2 .

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 25067425373 - 26 = 25067425309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25067425073) 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, 264815 + ... + 346787.

It is an arithmetic number, because the mean of its divisors is an integer number (3146694951).

Almost surely, 225067425373 is an apocalyptic number.

It is an amenable number.

25067425373 is a deficient number, since it is larger than the sum of its proper divisors (106134235).

25067425373 is an equidigital number, since it uses as much as digits as its factorization.

25067425373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83263.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 25067425373 in words is "twenty-five billion, sixty-seven million, four hundred twenty-five thousand, three hundred seventy-three".

Divisors: 1 313 977 81973 305801 25657549 80087621 25067425373