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25703095040 = 285723471181
BaseRepresentation
bin10111111100000001…
…100001101100000000
32110100021220111212222
4113330001201230000
5410114443020130
615450254310212
71566642463100
oct277401415400
973307814788
1025703095040
11a99a7aa807
124b93ab8368
1325680ba59c
14135b8c9200
15a067a6ce5
hex5fc061b00

25703095040 has 216 divisors, whose sum is σ = 71885902032. Its totient is φ = 8779653120.

The previous prime is 25703095027. The next prime is 25703095043. The reversal of 25703095040 is 4059030752.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (25703095043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21763250 + ... + 21764430.

It is an arithmetic number, because the mean of its divisors is an integer number (332805102).

Almost surely, 225703095040 is an apocalyptic number.

25703095040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25703095040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35942951016).

25703095040 is an abundant number, since it is smaller than the sum of its proper divisors (46182806992).

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

25703095040 is a wasteful number, since it uses less digits than its factorization.

25703095040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 25703095040 in words is "twenty-five billion, seven hundred three million, ninety-five thousand, forty".