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25275025253 = 192953450479
BaseRepresentation
bin10111100010100000…
…100100011101100101
32102020110102022112102
4113202200210131211
5403230401302003
615340003301445
71553224112162
oct274240443545
972213368472
1025275025253
11a7a0102625
124a9467a885
1324ca4cb75a
14131aad9069
159cddeb588
hex5e2824765

25275025253 has 8 divisors (see below), whose sum is σ = 26614358400. Its totient is φ = 23936599008.

The previous prime is 25275025187. The next prime is 25275025277. The reversal of 25275025253 is 35252057252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25275025253 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 (25275015253) 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, 169133 + ... + 281346.

It is an arithmetic number, because the mean of its divisors is an integer number (3326794800).

Almost surely, 225275025253 is an apocalyptic number.

It is an amenable number.

25275025253 is a deficient number, since it is larger than the sum of its proper divisors (1339333147).

25275025253 is a wasteful number, since it uses less digits than its factorization.

25275025253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453451.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 25275025253 in words is "twenty-five billion, two hundred seventy-five million, twenty-five thousand, two hundred fifty-three".

Divisors: 1 19 2953 56107 450479 8559101 1330264487 25275025253