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56461180011 = 3172207501623
BaseRepresentation
bin110100100101010110…
…010011110001101011
312101201212200010100020
4310211112103301223
51411113030230021
641534331011523
74036106053155
oct644526236153
9171655603306
1056461180011
1121a43956245
12ab38899ba3
13542a54b172
142a388abad5
151706c287c6
hexd25593c6b

56461180011 has 16 divisors (see below), whose sum is σ = 79746177024. Its totient is φ = 35410500224.

The previous prime is 56461179923. The next prime is 56461180021. The reversal of 56461180011 is 11008116465.

It is a cyclic number.

It is not a de Polignac number, because 56461180011 - 211 = 56461177963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56461180021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138255 + ... + 363368.

It is an arithmetic number, because the mean of its divisors is an integer number (4984136064).

Almost surely, 256461180011 is an apocalyptic number.

56461180011 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56461180011 is a deficient number, since it is larger than the sum of its proper divisors (23284997013).

56461180011 is a wasteful number, since it uses less digits than its factorization.

56461180011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503850.

The product of its (nonzero) digits is 5760, while the sum is 33.

Adding to 56461180011 its reverse (11008116465), we get a palindrome (67469296476).

The spelling of 56461180011 in words is "fifty-six billion, four hundred sixty-one million, one hundred eighty thousand, eleven".

Divisors: 1 3 17 51 2207 6621 37519 112557 501623 1504869 8527591 25582773 1107081961 3321245883 18820393337 56461180011