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25013061723 = 313641360557
BaseRepresentation
bin10111010010111001…
…010000100001011011
32101120012111012010110
4113102321100201123
5402211320433343
615254004415403
71543563342126
oct272271204133
971505435113
1025013061723
11a676248541
124a209a7563
13248815a850
1412d3dc73bd
159b5e02833
hex5d2e5085b

25013061723 has 8 divisors (see below), whose sum is σ = 35916191248. Its totient is φ = 15392653344.

The previous prime is 25013061721. The next prime is 25013061739. The reversal of 25013061723 is 32716031052.

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

It is not a de Polignac number, because 25013061723 - 21 = 25013061721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25013061721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320680240 + ... + 320680317.

It is an arithmetic number, because the mean of its divisors is an integer number (4489523906).

Almost surely, 225013061723 is an apocalyptic number.

25013061723 is a deficient number, since it is larger than the sum of its proper divisors (10903129525).

25013061723 is a wasteful number, since it uses less digits than its factorization.

25013061723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641360573.

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 25013061723 its reverse (32716031052), we get a palindrome (57729092775).

The spelling of 25013061723 in words is "twenty-five billion, thirteen million, sixty-one thousand, seven hundred twenty-three".

Divisors: 1 3 13 39 641360557 1924081671 8337687241 25013061723