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2561053610 = 25256105361
BaseRepresentation
bin1001100010100110…
…1001001110101010
320121111002000002102
42120221221032222
520221112203420
61102044133402
7120315411413
oct23051511652
96544060072
102561053610
1110a4714535
125b5837262
1331a787b4b
141a41c480a
15eec8aa75
hex98a693aa

2561053610 has 8 divisors (see below), whose sum is σ = 4609896516. Its totient is φ = 1024421440.

The previous prime is 2561053609. The next prime is 2561053613. The reversal of 2561053610 is 163501652.

It can be written as a sum of positive squares in 2 ways, for example, as 2557223761 + 3829849 = 50569^2 + 1957^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2561053613) 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, 128052671 + ... + 128052690.

Almost surely, 22561053610 is an apocalyptic number.

2561053610 is a deficient number, since it is larger than the sum of its proper divisors (2048842906).

2561053610 is a wasteful number, since it uses less digits than its factorization.

2561053610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256105368.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2561053610 is about 50606.8533896349. The cubic root of 2561053610 is about 1368.1684032422.

The spelling of 2561053610 in words is "two billion, five hundred sixty-one million, fifty-three thousand, six hundred ten".

Divisors: 1 2 5 10 256105361 512210722 1280526805 2561053610