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155110660051 = 599258949349
BaseRepresentation
bin1001000001110101010…
…0001101011111010011
3112211100221001221111011
42100131110031133103
510020131312110201
6155131251431351
714130533566534
oct2203524153723
9484327057434
10155110660051
115a866a18746
122608a2b5557
131181c314969
14771641a68b
15407c5e4151
hex241d50d7d3

155110660051 has 4 divisors (see below), whose sum is σ = 155369610000. Its totient is φ = 154851710104.

The previous prime is 155110660027. The next prime is 155110660073. The reversal of 155110660051 is 150066011551.

155110660051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150066011551 = 470413190111.

It is a cyclic number.

It is not a de Polignac number, because 155110660051 - 227 = 154976442323 is a prime.

It is a super-2 number, since 2×1551106600512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155110659995 and 155110660022.

It is not an unprimeable number, because it can be changed into a prime (155110660151) 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 3 ways as a sum of consecutive naturals, for example, 129474076 + ... + 129475273.

It is an arithmetic number, because the mean of its divisors is an integer number (38842402500).

Almost surely, 2155110660051 is an apocalyptic number.

155110660051 is a deficient number, since it is larger than the sum of its proper divisors (258949949).

155110660051 is an equidigital number, since it uses as much as digits as its factorization.

155110660051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258949948.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 155110660051 in words is "one hundred fifty-five billion, one hundred ten million, six hundred sixty thousand, fifty-one".

Divisors: 1 599 258949349 155110660051