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155112608248 = 23131491467387
BaseRepresentation
bin1001000001110101101…
…1101001000111111000
3112211101001201220220121
42100131123221013320
510020132311430443
6155131401303024
714130556262443
oct2203533510770
9484331656817
10155112608248
115a868029424
122608aa94a74
131181c847640
1477167a665a
15407c87b4ed
hex241d6e91f8

155112608248 has 16 divisors (see below), whose sum is σ = 313208151480. Its totient is φ = 71590434528.

The previous prime is 155112608243. The next prime is 155112608249. The reversal of 155112608248 is 842806211551.

155112608248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155112608243) 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, 745733590 + ... + 745733797.

Almost surely, 2155112608248 is an apocalyptic number.

It is an amenable number.

155112608248 is an abundant number, since it is smaller than the sum of its proper divisors (158095543232).

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

155112608248 is a wasteful number, since it uses less digits than its factorization.

155112608248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491467406 (or 1491467402 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

Adding to 155112608248 its reverse (842806211551), we get a palindrome (997918819799).

The spelling of 155112608248 in words is "one hundred fifty-five billion, one hundred twelve million, six hundred eight thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 1491467387 2982934774 5965869548 11931739096 19389076031 38778152062 77556304124 155112608248