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25253323004 = 2271369377261
BaseRepresentation
bin10111100001001101…
…110010000011111100
32102011221120201122102
4113201031302003330
5403204322314004
615333510204232
71552541463260
oct274115620374
972157521572
1025253323004
11a78992a388
124a89353678
1324c5b705a0
141317c8a0a0
159cc06111e
hex5e13720fc

25253323004 has 24 divisors (see below), whose sum is σ = 54391773408. Its totient is φ = 9990325440.

The previous prime is 25253323003. The next prime is 25253323027. The reversal of 25253323004 is 40032335252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253323003) 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, 34688267 + ... + 34688994.

It is an arithmetic number, because the mean of its divisors is an integer number (2266323892).

Almost surely, 225253323004 is an apocalyptic number.

It is an amenable number.

25253323004 is an abundant number, since it is smaller than the sum of its proper divisors (29138450404).

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

25253323004 is a wasteful number, since it uses less digits than its factorization.

25253323004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69377285 (or 69377283 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 25253323004 its reverse (40032335252), we get a palindrome (65285658256).

The spelling of 25253323004 in words is "twenty-five billion, two hundred fifty-three million, three hundred twenty-three thousand, four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 69377261 138754522 277509044 485640827 901904393 971281654 1803808786 1942563308 3607617572 6313330751 12626661502 25253323004