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2500140139 = 71721009581
BaseRepresentation
bin1001010100000101…
…0001110001101011
320110020110021111221
42111001101301223
520110013441024
61052030402511
7115645561210
oct22501216153
96406407457
102500140139
11107329a322
12599360437
1330ac7b183
1419a089b07
15e97573e4
hex95051c6b

2500140139 has 8 divisors (see below), whose sum is σ = 3025379808. Its totient is φ = 2016919680.

The previous prime is 2500140131. The next prime is 2500140143. The reversal of 2500140139 is 9310410052.

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

It is a cyclic number.

It is not a de Polignac number, because 2500140139 - 23 = 2500140131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500140131) 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, 10504672 + ... + 10504909.

It is an arithmetic number, because the mean of its divisors is an integer number (378172476).

Almost surely, 22500140139 is an apocalyptic number.

2500140139 is a deficient number, since it is larger than the sum of its proper divisors (525239669).

2500140139 is a wasteful number, since it uses less digits than its factorization.

2500140139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21009605.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2500140139 is about 50001.4013703616. The cubic root of 2500140139 is about 1357.2341675416.

The spelling of 2500140139 in words is "two billion, five hundred million, one hundred forty thousand, one hundred thirty-nine".

Divisors: 1 7 17 119 21009581 147067067 357162877 2500140139