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25110031139 = 1971992292797
BaseRepresentation
bin10111011000101011…
…001010101100100011
32101210221221202011022
4113120223022230203
5402411131444024
615311351040055
71546151512604
oct273053125443
971727852138
1025110031139
11a715a5a056
124a4937002b
1324a227cabb
141302c29dab
159be6a935e
hex5d8acab23

25110031139 has 16 divisors (see below), whose sum is σ = 25484184000. Its totient is φ = 24739634304.

The previous prime is 25110031127. The next prime is 25110031189. The reversal of 25110031139 is 93113001152.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25110031139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25110031189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8976089 + ... + 8978885.

It is an arithmetic number, because the mean of its divisors is an integer number (1592761500).

Almost surely, 225110031139 is an apocalyptic number.

25110031139 is a deficient number, since it is larger than the sum of its proper divisors (374152861).

25110031139 is a wasteful number, since it uses less digits than its factorization.

25110031139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 25110031139 in words is "twenty-five billion, one hundred ten million, thirty-one thousand, one hundred thirty-nine".

Divisors: 1 197 199 229 2797 39203 45113 45571 551009 556603 640513 8977487 109650791 126181061 127462087 25110031139