Base | Representation |
---|---|
bin | 1001000010110111001… |
… | …0101011000101011000 |
3 | 112212002012012120210212 |
4 | 2100231302223011120 |
5 | 10021213043043143 |
6 | 155214524230252 |
7 | 14140431252623 |
oct | 2205562530530 |
9 | 485065176725 |
10 | 155387081048 |
11 | 5a998a57951 |
12 | 2614699b388 |
13 | 11864678294 |
14 | 7741012dba |
15 | 40969e6918 |
hex | 242dcab158 |
155387081048 has 16 divisors (see below), whose sum is σ = 291360219480. Its totient is φ = 77691022528.
The previous prime is 155387081041. The next prime is 155387081071. The reversal of 155387081048 is 840180783551.
It is a junction number, because it is equal to n+sod(n) for n = 155387080987 and 155387081005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155387081041) 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, 38186 + ... + 558777.
Almost surely, 2155387081048 is an apocalyptic number.
It is an amenable number.
155387081048 is a deficient number, since it is larger than the sum of its proper divisors (135973138432).
155387081048 is a wasteful number, since it uses less digits than its factorization.
155387081048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 629506 (or 629502 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 50.
The spelling of 155387081048 in words is "one hundred fifty-five billion, three hundred eighty-seven million, eighty-one thousand, forty-eight".
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