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2542605916 = 2219101331241
BaseRepresentation
bin1001011110001101…
…0001011001011100
320120012100202121111
42113203101121130
520201401342131
61100144511404
7120002536144
oct22743213134
96505322544
102542605916
111095264504
125ab61b564
133169c9156
141a1981924
15ed344ab1
hex978d165c

2542605916 has 24 divisors (see below), whose sum is σ = 4730135760. Its totient is φ = 1192464000.

The previous prime is 2542605911. The next prime is 2542605917. The reversal of 2542605916 is 6195062452.

2542605916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542605911) 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, 157945 + ... + 173296.

It is an arithmetic number, because the mean of its divisors is an integer number (197088990).

Almost surely, 22542605916 is an apocalyptic number.

It is an amenable number.

2542605916 is a deficient number, since it is larger than the sum of its proper divisors (2187529844).

2542605916 is a wasteful number, since it uses less digits than its factorization.

2542605916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331365 (or 331363 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2542605916 is about 50424.2592013011. The cubic root of 2542605916 is about 1364.8754359534.

The spelling of 2542605916 in words is "two billion, five hundred forty-two million, six hundred five thousand, nine hundred sixteen".

Divisors: 1 2 4 19 38 76 101 202 404 1919 3838 7676 331241 662482 1324964 6293579 12587158 25174316 33455341 66910682 133821364 635651479 1271302958 2542605916