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1807140055 = 5751632573
BaseRepresentation
bin110101110110110…
…1100010011010111
311122221110020010011
41223231230103113
512200111440210
6455153141051
762532302620
oct15355542327
94587406104
101807140055
118480a1086
1242525a787
1322a51cc56
14132014a47
15a89b8d8a
hex6bb6c4d7

1807140055 has 8 divisors (see below), whose sum is σ = 2478363552. Its totient is φ = 1239181728.

The previous prime is 1807140053. The next prime is 1807140091. The reversal of 1807140055 is 5500417081.

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

It is a cyclic number.

It is not a de Polignac number, because 1807140055 - 21 = 1807140053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1807139999 and 1807140026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1807140053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25816252 + ... + 25816321.

It is an arithmetic number, because the mean of its divisors is an integer number (309795444).

Almost surely, 21807140055 is an apocalyptic number.

1807140055 is a deficient number, since it is larger than the sum of its proper divisors (671223497).

1807140055 is an equidigital number, since it uses as much as digits as its factorization.

1807140055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51632585.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 1807140055 is about 42510.4699456499. The cubic root of 1807140055 is about 1218.0466940054.

The spelling of 1807140055 in words is "one billion, eight hundred seven million, one hundred forty thousand, fifty-five".

Divisors: 1 5 7 35 51632573 258162865 361428011 1807140055