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12554103241 = 731268913553
BaseRepresentation
bin10111011000100100…
…00110100111001001
31012101220202112002201
423230102012213021
5201202322300431
65433422000201
7623050055041
oct135422064711
935356675081
1012554103241
115362511639
122524416061
131250bb0874
14871458721
154d7224461
hex2ec4869c9

12554103241 has 8 divisors (see below), whose sum is σ = 12728019240. Its totient is φ = 12380239872.

The previous prime is 12554103229. The next prime is 12554103299. The reversal of 12554103241 is 14230145521.

It can be written as a sum of positive squares in 4 ways, for example, as 1508934025 + 11045169216 = 38845^2 + 105096^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12554103241 - 25 = 12554103209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12554113241) 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, 919521 + ... + 933073.

It is an arithmetic number, because the mean of its divisors is an integer number (1591002405).

Almost surely, 212554103241 is an apocalyptic number.

It is an amenable number.

12554103241 is a deficient number, since it is larger than the sum of its proper divisors (173915999).

12554103241 is a wasteful number, since it uses less digits than its factorization.

12554103241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26315.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12554103241 its reverse (14230145521), we get a palindrome (26784248762).

The spelling of 12554103241 in words is "twelve billion, five hundred fifty-four million, one hundred three thousand, two hundred forty-one".

Divisors: 1 73 12689 13553 926297 989369 171974017 12554103241