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56222910919 = 78031844417
BaseRepresentation
bin110100010111001001…
…011000100111000111
312101010021022210121001
4310113021120213013
51410121031122134
641454540034131
74030153600120
oct642711304707
9171107283531
1056222910919
112193140513a
12aa90b32947
1353c0085136
142a14da7047
1516e0d60414
hexd172589c7

56222910919 has 4 divisors (see below), whose sum is σ = 64254755344. Its totient is φ = 48191066496.

The previous prime is 56222910893. The next prime is 56222910929. The reversal of 56222910919 is 91901922265.

56222910919 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 an emirpimes, since its reverse is a distinct semiprime: 91901922265 = 518380384453.

It is a cyclic number.

It is not a de Polignac number, because 56222910919 - 211 = 56222908871 is a prime.

It is a super-2 number, since 2×562229109192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56222910929) 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, 4015922202 + ... + 4015922215.

It is an arithmetic number, because the mean of its divisors is an integer number (16063688836).

Almost surely, 256222910919 is an apocalyptic number.

56222910919 is a deficient number, since it is larger than the sum of its proper divisors (8031844425).

56222910919 is an equidigital number, since it uses as much as digits as its factorization.

56222910919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8031844424.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 56222910919 in words is "fifty-six billion, two hundred twenty-two million, nine hundred ten thousand, nine hundred nineteen".

Divisors: 1 7 8031844417 56222910919