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2512125340 = 225125606267
BaseRepresentation
bin1001010110111011…
…1111110110011100
320111002000012010021
42111232333312130
520121101002330
61053135321524
7116152466404
oct22556776634
96432005107
102512125340
11107a035a4a
125a13802a4
133105b64ca
1419b8c9804
15ea82367a
hex95bbfd9c

2512125340 has 12 divisors (see below), whose sum is σ = 5275463256. Its totient is φ = 1004850128.

The previous prime is 2512125247. The next prime is 2512125347. The reversal of 2512125340 is 435212152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512125347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62803114 + ... + 62803153.

It is an arithmetic number, because the mean of its divisors is an integer number (439621938).

Almost surely, 22512125340 is an apocalyptic number.

2512125340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2512125340 is an abundant number, since it is smaller than the sum of its proper divisors (2763337916).

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

2512125340 is a wasteful number, since it uses less digits than its factorization.

2512125340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125606276 (or 125606274 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2512125340 is about 50121.1067315956. The cubic root of 2512125340 is about 1359.3994861772.

Adding to 2512125340 its reverse (435212152), we get a palindrome (2947337492).

The spelling of 2512125340 in words is "two billion, five hundred twelve million, one hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 125606267 251212534 502425068 628031335 1256062670 2512125340