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25053700853 = 174333403573
BaseRepresentation
bin10111010101010100…
…010010001011110101
32101200000221212112102
4113111110102023311
5402302221411403
615302015431445
71544565641426
oct272524221365
971600855472
1025053700853
11a6971852a5
124a32525585
1324936b927c
1412d956564d
159b977db88
hex5d55122f5

25053700853 has 8 divisors (see below), whose sum is σ = 26588720088. Its totient is φ = 23525489664.

The previous prime is 25053700817. The next prime is 25053700879. The reversal of 25053700853 is 35800735052.

It can be written as a sum of positive squares in 4 ways, for example, as 9303952849 + 15749748004 = 96457^2 + 125498^2 .

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 25053700853 - 216 = 25053635317 is a prime.

It is a super-2 number, since 2×250537008532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053709853) 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, 1694426 + ... + 1709147.

It is an arithmetic number, because the mean of its divisors is an integer number (3323590011).

Almost surely, 225053700853 is an apocalyptic number.

It is an amenable number.

25053700853 is a deficient number, since it is larger than the sum of its proper divisors (1535019235).

25053700853 is a wasteful number, since it uses less digits than its factorization.

25053700853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404023.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 25053700853 in words is "twenty-five billion, fifty-three million, seven hundred thousand, eight hundred fifty-three".

Divisors: 1 17 433 7361 3403573 57860741 1473747109 25053700853