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2542644050 = 25250852881
BaseRepresentation
bin1001011110001101…
…1010101101010010
320120012102200220212
42113203122231102
520201404102200
61100145404122
7120003055262
oct22743325522
96505380825
102542644050
111095290121
125ab639642
13316a1060b
141a19917a2
15ed351035
hex978dab52

2542644050 has 12 divisors (see below), whose sum is σ = 4729318026. Its totient is φ = 1017057600.

The previous prime is 2542644031. The next prime is 2542644053. The reversal of 2542644050 is 504462452.

It can be written as a sum of positive squares in 3 ways, for example, as 2241170281 + 301473769 = 47341^2 + 17363^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2542643998 and 2542644016.

It is not an unprimeable number, because it can be changed into a prime (2542644053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25426391 + ... + 25426490.

Almost surely, 22542644050 is an apocalyptic number.

2542644050 is a deficient number, since it is larger than the sum of its proper divisors (2186673976).

2542644050 is a wasteful number, since it uses less digits than its factorization.

2542644050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50852893 (or 50852888 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2542644050 is about 50424.6373313681. The cubic root of 2542644050 is about 1364.8822593860.

The spelling of 2542644050 in words is "two billion, five hundred forty-two million, six hundred forty-four thousand, fifty".

Divisors: 1 2 5 10 25 50 50852881 101705762 254264405 508528810 1271322025 2542644050