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60012256561 = 193158539819
BaseRepresentation
bin110111111001000000…
…100101110100110001
312201220100122111120221
4313321000211310301
51440401114202221
643322542533041
74223105523055
oct677100456461
9181810574527
1060012256561
11234a6399654
12b769b97181
13587515bbaa
142c94363c65
151863874541
hexdf9025d31

60012256561 has 4 divisors (see below), whose sum is σ = 63170796400. Its totient is φ = 56853716724.

The previous prime is 60012256559. The next prime is 60012256571. The reversal of 60012256561 is 16565221006.

60012256561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60012256561 - 21 = 60012256559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60012256571) 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, 1579269891 + ... + 1579269928.

It is an arithmetic number, because the mean of its divisors is an integer number (15792699100).

Almost surely, 260012256561 is an apocalyptic number.

It is an amenable number.

60012256561 is a deficient number, since it is larger than the sum of its proper divisors (3158539839).

60012256561 is a wasteful number, since it uses less digits than its factorization.

60012256561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158539838.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 60012256561 its reverse (16565221006), we get a palindrome (76577477567).

The spelling of 60012256561 in words is "sixty billion, twelve million, two hundred fifty-six thousand, five hundred sixty-one".

Divisors: 1 19 3158539819 60012256561