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155141051 = 1311933927
BaseRepresentation
bin10010011111101…
…00001110111011
3101210220222111212
421033310032323
5304204003201
623221113335
73562451162
oct1117641673
9353828455
10155141051
117a63384a
1243b5884b
13261abc50
14168663d9
15d947abb
hex93f43bb

155141051 has 4 divisors (see below), whose sum is σ = 167074992. Its totient is φ = 143207112.

The previous prime is 155141011. The next prime is 155141053. The reversal of 155141051 is 150141551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150141551 = 721448793.

It is a cyclic number.

It is not a de Polignac number, because 155141051 - 214 = 155124667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155141053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5966951 + ... + 5966976.

It is an arithmetic number, because the mean of its divisors is an integer number (41768748).

Almost surely, 2155141051 is an apocalyptic number.

155141051 is a deficient number, since it is larger than the sum of its proper divisors (11933941).

155141051 is a wasteful number, since it uses less digits than its factorization.

155141051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933940.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 155141051 is about 12455.5630543143. The cubic root of 155141051 is about 537.3314283709.

Adding to 155141051 its product of nonzero digits (500), we get a palindrome (155141551).

It can be divided in two parts, 1551410 and 51, that multiplied together give a triangular number (79121910 = T12579).

The spelling of 155141051 in words is "one hundred fifty-five million, one hundred forty-one thousand, fifty-one".

Divisors: 1 13 11933927 155141051