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2512381642 = 22115953511
BaseRepresentation
bin1001010110111111…
…1110011011001010
320111002111012200221
42111233332123022
520121132203032
61053145020254
7116154614551
oct22557763312
96432435627
102512381642
11107a1a0571
125a148468a
13310676074
1419b954d98
15ea874597
hex95bfe6ca

2512381642 has 8 divisors (see below), whose sum is σ = 3786433632. Its totient is φ = 1250237100.

The previous prime is 2512381603. The next prime is 2512381643. The reversal of 2512381642 is 2461832152.

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

It is a junction number, because it is equal to n+sod(n) for n = 2512381598 and 2512381607.

It is not an unprimeable number, because it can be changed into a prime (2512381643) 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, 2976334 + ... + 2977177.

It is an arithmetic number, because the mean of its divisors is an integer number (473304204).

Almost surely, 22512381642 is an apocalyptic number.

2512381642 is a deficient number, since it is larger than the sum of its proper divisors (1274051990).

2512381642 is a wasteful number, since it uses less digits than its factorization.

2512381642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953724.

The product of its digits is 23040, while the sum is 34.

The square root of 2512381642 is about 50123.6634934040. The cubic root of 2512381642 is about 1359.4457159509.

The spelling of 2512381642 in words is "two billion, five hundred twelve million, three hundred eighty-one thousand, six hundred forty-two".

Divisors: 1 2 211 422 5953511 11907022 1256190821 2512381642