Base | Representation |
---|---|
bin | 1001000010000010001… |
… | …1010001001110101000 |
3 | 112211111201012121110010 |
4 | 2100200203101032220 |
5 | 10020234211023201 |
6 | 155140511051520 |
7 | 14132063135652 |
oct | 2204043211650 |
9 | 484451177403 |
10 | 155164939176 |
11 | 5a894621425 |
12 | 260a4510ba0 |
13 | 1182a63a9a0 |
14 | 771d7096d2 |
15 | 4082266bd6 |
hex | 24208d13a8 |
155164939176 has 256 divisors, whose sum is σ = 439988371200. Its totient is φ = 45267296256.
The previous prime is 155164939141. The next prime is 155164939177. The reversal of 155164939176 is 671939461551.
It is not an unprimeable number, because it can be changed into a prime (155164939177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229194550 + ... + 229195226.
It is an arithmetic number, because the mean of its divisors is an integer number (1718704575).
Almost surely, 2155164939176 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 155164939176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219994185600).
155164939176 is an abundant number, since it is smaller than the sum of its proper divisors (284823432024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155164939176 is a wasteful number, since it uses less digits than its factorization.
155164939176 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1148 (or 1144 counting only the distinct ones).
The product of its digits is 6123600, while the sum is 57.
The spelling of 155164939176 in words is "one hundred fifty-five billion, one hundred sixty-four million, nine hundred thirty-nine thousand, one hundred seventy-six".
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