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55131033006 = 2327437547881
BaseRepresentation
bin110011010110000100…
…001100110110101110
312021022011202122200100
4303112010030312232
51400402021024011
641154333211530
73661125022440
oct632604146656
9167264678610
1055131033006
11214210380a5
12a827330ba6
135277ab932a
14294dd80490
15167a080d56
hexcd610cdae

55131033006 has 24 divisors (see below), whose sum is σ = 136514939184. Its totient is φ = 15751723680.

The previous prime is 55131032969. The next prime is 55131033011. The reversal of 55131033006 is 60033013155.

55131033006 is a `hidden beast` number, since 551 + 3 + 103 + 3 + 0 + 0 + 6 = 666.

55131033006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551310330062 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218773815 + ... + 218774066.

It is an arithmetic number, because the mean of its divisors is an integer number (5688122466).

Almost surely, 255131033006 is an apocalyptic number.

55131033006 is an abundant number, since it is smaller than the sum of its proper divisors (81383906178).

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

55131033006 is a wasteful number, since it uses less digits than its factorization.

55131033006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437547896 (or 437547893 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The spelling of 55131033006 in words is "fifty-five billion, one hundred thirty-one million, thirty-three thousand, six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 437547881 875095762 1312643643 2625287286 3062835167 3937930929 6125670334 7875861858 9188505501 18377011002 27565516503 55131033006