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56055100103 = 281631990381
BaseRepresentation
bin110100001101001001…
…001111001011000111
312100200120120010102122
4310031021033023013
51404300101200403
641430143200155
74023045326552
oct641511171307
9170616503378
1056055100103
1121855708412
12aa448a605b
13539438b3b2
1429da9a3699
1516d1263838
hexd0d24f2c7

56055100103 has 4 divisors (see below), whose sum is σ = 56057118648. Its totient is φ = 56053081560.

The previous prime is 56055100099. The next prime is 56055100117. The reversal of 56055100103 is 30100155065.

56055100103 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.

It is a cyclic number.

It is not a de Polignac number, because 56055100103 - 22 = 56055100099 is a prime.

It is a super-2 number, since 2×560551001032 (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 (56055100133) 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, 967028 + ... + 1023353.

It is an arithmetic number, because the mean of its divisors is an integer number (14014279662).

Almost surely, 256055100103 is an apocalyptic number.

56055100103 is a deficient number, since it is larger than the sum of its proper divisors (2018545).

56055100103 is a wasteful number, since it uses less digits than its factorization.

56055100103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018544.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 56055100103 its reverse (30100155065), we get a palindrome (86155255168).

The spelling of 56055100103 in words is "fifty-six billion, fifty-five million, one hundred thousand, one hundred three".

Divisors: 1 28163 1990381 56055100103