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25852795386 = 231122373127167
BaseRepresentation
bin11000000100111100…
…100101100111111010
32110201201121002011020
4120010330211213322
5410421303423021
615513203043310
71603441064205
oct300474454772
973651532136
1025852795386
11aa67257900
125016070536
132590112c82
14137373693c
15a149c77c6
hex604f259fa

25852795386 has 192 divisors, whose sum is σ = 60953001984. Its totient is φ = 7288807680.

The previous prime is 25852795343. The next prime is 25852795391. The reversal of 25852795386 is 68359725852.

It is a happy number.

25852795386 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 154807075 + ... + 154807241.

It is an arithmetic number, because the mean of its divisors is an integer number (317463552).

Almost surely, 225852795386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25852795386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30476500992).

25852795386 is an abundant number, since it is smaller than the sum of its proper divisors (35100206598).

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

25852795386 is a wasteful number, since it uses less digits than its factorization.

25852795386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 406 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 60.

The spelling of 25852795386 in words is "twenty-five billion, eight hundred fifty-two million, seven hundred ninety-five thousand, three hundred eighty-six".