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25341352020 = 22325140785289
BaseRepresentation
bin10111100110011101…
…100101100001010100
32102102002020001202100
4113212131211201110
5403344341231040
615350333042100
71554660636525
oct274635454124
972362201670
1025341352020
11a824594936
124ab2926330
13250b18236a
14132584284c
159d4b4db30
hex5e6765854

25341352020 has 36 divisors (see below), whose sum is σ = 76868768340. Its totient is φ = 6757693824.

The previous prime is 25341352013. The next prime is 25341352027. The reversal of 25341352020 is 2025314352.

It is a happy number.

25341352020 is a `hidden beast` number, since 253 + 41 + 352 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (25341352013) and next prime (25341352027).

It can be written as a sum of positive squares in 2 ways, for example, as 5583676176 + 19757675844 = 74724^2 + 140562^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25341352027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70392465 + ... + 70392824.

It is an arithmetic number, because the mean of its divisors is an integer number (2135243565).

Almost surely, 225341352020 is an apocalyptic number.

25341352020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25341352020 is an abundant number, since it is smaller than the sum of its proper divisors (51527416320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25341352020 is a wasteful number, since it uses less digits than its factorization.

25341352020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140785304 (or 140785299 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 25341352020 its reverse (2025314352), we get a palindrome (27366666372).

The spelling of 25341352020 in words is "twenty-five billion, three hundred forty-one million, three hundred fifty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 140785289 281570578 422355867 563141156 703926445 844711734 1267067601 1407852890 1689423468 2111779335 2534135202 2815705780 4223558670 5068270404 6335338005 8447117340 12670676010 25341352020