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55111110100 = 22523791454119
BaseRepresentation
bin110011010100111000…
…001100110111010100
312021020210021110120221
4303110320030313110
51400331421010400
641152342204124
73660463464244
oct632470146724
9167223243527
1055111110100
112141086a792
12a820723644
135273932027
14294b475b24
151678447c1a
hexcd4e0cdd4

55111110100 has 36 divisors (see below), whose sum is σ = 119906735200. Its totient is φ = 21986264160.

The previous prime is 55111110091. The next prime is 55111110101. The reversal of 55111110100 is 101111155.

55111110100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111110101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689160 + ... + 764959.

Almost surely, 255111110100 is an apocalyptic number.

55111110100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55111110100 is an abundant number, since it is smaller than the sum of its proper divisors (64795625100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55111110100 is a wasteful number, since it uses less digits than its factorization.

55111110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454512 (or 1454505 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 16.

Adding to 55111110100 its reverse (101111155), we get a palindrome (55212221255).

The spelling of 55111110100 in words is "fifty-five billion, one hundred eleven million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 379 758 1516 1895 3790 7580 9475 18950 37900 1454119 2908238 5816476 7270595 14541190 29082380 36352975 72705950 145411900 551111101 1102222202 2204444404 2755555505 5511111010 11022222020 13777777525 27555555050 55111110100