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135555145151 = 697119445581
BaseRepresentation
bin111111000111110110…
…1110101110110111111
3110221220001220212011112
41332033231311312333
54210104104121101
6142135001112235
712536116502546
oct1761755656677
9427801825145
10135555145151
1152541388988
122233118867b
13ca23a5577a
1467bd19915d
1537d58c76bb
hex1f8fb75dbf

135555145151 has 4 divisors (see below), whose sum is σ = 135574597704. Its totient is φ = 135535692600.

The previous prime is 135555145123. The next prime is 135555145153. The reversal of 135555145151 is 151541555531.

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

It is a cyclic number.

It is not a de Polignac number, because 135555145151 - 26 = 135555145087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135555145099 and 135555145108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135555145153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9715820 + ... + 9729761.

It is an arithmetic number, because the mean of its divisors is an integer number (33893649426).

Almost surely, 2135555145151 is an apocalyptic number.

135555145151 is a deficient number, since it is larger than the sum of its proper divisors (19452553).

135555145151 is an equidigital number, since it uses as much as digits as its factorization.

135555145151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19452552.

The product of its digits is 187500, while the sum is 41.

The spelling of 135555145151 in words is "one hundred thirty-five billion, five hundred fifty-five million, one hundred forty-five thousand, one hundred fifty-one".

Divisors: 1 6971 19445581 135555145151