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2505140140 = 225125257007
BaseRepresentation
bin1001010101010001…
…0110011110101100
320110120212022020011
42111110112132230
520112303441030
61052325503004
7116036224366
oct22524263654
96416768204
102505140140
1110760a4958
1259ab71a64
1330c00bc59
1419a9cbd36
15e9de3b2a
hex955167ac

2505140140 has 12 divisors (see below), whose sum is σ = 5260794336. Its totient is φ = 1002056048.

The previous prime is 2505140137. The next prime is 2505140153. The reversal of 2505140140 is 410415052.

2505140140 is digitally balanced in base 2, 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 3 ways as a sum of consecutive naturals, for example, 62628484 + ... + 62628523.

It is an arithmetic number, because the mean of its divisors is an integer number (438399528).

Almost surely, 22505140140 is an apocalyptic number.

2505140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505140140 is an abundant number, since it is smaller than the sum of its proper divisors (2755654196).

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

2505140140 is a wasteful number, since it uses less digits than its factorization.

2505140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125257016 (or 125257014 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2505140140 is about 50051.3750060875. The cubic root of 2505140140 is about 1358.1383373048.

Adding to 2505140140 its reverse (410415052), we get a palindrome (2915555192).

The spelling of 2505140140 in words is "two billion, five hundred five million, one hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 125257007 250514014 501028028 626285035 1252570070 2505140140