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55111100901 = 356893229103
BaseRepresentation
bin110011010100111000…
…001010100111100101
312021020210020222222020
4303110320022213211
51400331420212101
641152342053353
73660463425363
oct632470124745
9167223228866
1055111100901
112141086388a
12a82071a259
13527392aa9c
14294b472633
151678445136
hexcd4e0a9e5

55111100901 has 8 divisors (see below), whose sum is σ = 73494407040. Its totient is φ = 36734264352.

The previous prime is 55111100879. The next prime is 55111100909. The reversal of 55111100901 is 10900111155.

55111100901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55111100901 - 211 = 55111098853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111100909) 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, 1597485 + ... + 1631618.

It is an arithmetic number, because the mean of its divisors is an integer number (9186800880).

Almost surely, 255111100901 is an apocalyptic number.

It is an amenable number.

55111100901 is a deficient number, since it is larger than the sum of its proper divisors (18383306139).

55111100901 is a wasteful number, since it uses less digits than its factorization.

55111100901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234795.

The product of its (nonzero) digits is 225, while the sum is 24.

The spelling of 55111100901 in words is "fifty-five billion, one hundred eleven million, one hundred thousand, nine hundred one".

Divisors: 1 3 5689 17067 3229103 9687309 18370366967 55111100901