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25050552011 = 174375145631
BaseRepresentation
bin10111010101001000…
…010001011011001011
32101122211000220010122
4113111020101123023
5402300420131021
615301424133455
71544530115222
oct272510213313
971584026118
1025050552011
11a695424551
124a3146728b
132492b55c54
1412d8d85cb9
159b935abab
hex5d52116cb

25050552011 has 16 divisors (see below), whose sum is σ = 27177689088. Its totient is φ = 22997520000.

The previous prime is 25050552001. The next prime is 25050552047. The reversal of 25050552011 is 11025505052.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25050552011 is a prime.

It is a super-2 number, since 2×250505520112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25050552001) 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 15 ways as a sum of consecutive naturals, for example, 526166 + ... + 571796.

It is an arithmetic number, because the mean of its divisors is an integer number (1698605568).

Almost surely, 225050552011 is an apocalyptic number.

25050552011 is a deficient number, since it is larger than the sum of its proper divisors (2127137077).

25050552011 is a wasteful number, since it uses less digits than its factorization.

25050552011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46442.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 25050552011 in words is "twenty-five billion, fifty million, five hundred fifty-two thousand, eleven".

Divisors: 1 17 43 731 751 12767 32293 45631 548981 775727 1962133 33356261 34268881 582570977 1473561883 25050552011