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55100510005 = 511020102001
BaseRepresentation
bin110011010100001111…
…110000111100110101
312021020001022220222211
4303110033300330311
51400321212310010
641151323053421
73660304415212
oct632417607465
9167201286884
1055100510005
112140588a782
12a819071271
135271690298
142949cb6b09
15167755208a
hexcd43f0f35

55100510005 has 4 divisors (see below), whose sum is σ = 66120612012. Its totient is φ = 44080408000.

The previous prime is 55100509949. The next prime is 55100510053. The reversal of 55100510005 is 50001500155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42597244881 + 12503265124 = 206391^2 + 111818^2 .

It is not a de Polignac number, because 55100510005 - 217 = 55100378933 is a prime.

It is a super-2 number, since 2×551005100052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510050996 + ... + 5510051005.

It is an arithmetic number, because the mean of its divisors is an integer number (16530153003).

Almost surely, 255100510005 is an apocalyptic number.

It is an amenable number.

55100510005 is a deficient number, since it is larger than the sum of its proper divisors (11020102007).

55100510005 is a wasteful number, since it uses less digits than its factorization.

55100510005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020102006.

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 55100510005 in words is "fifty-five billion, one hundred million, five hundred ten thousand, five".

Divisors: 1 5 11020102001 55100510005