Base | Representation |
---|---|
bin | 1001000001011010111… |
… | …0011110101000001000 |
3 | 112211002020001012010102 |
4 | 2100112232132220020 |
5 | 10014420011333410 |
6 | 155112302104532 |
7 | 14125022105153 |
oct | 2202656365010 |
9 | 484066035112 |
10 | 155000105480 |
11 | 5a80a578430 |
12 | 2605927b148 |
13 | 1180244705c |
14 | 770587cc9a |
15 | 4072a572a5 |
hex | 2416b9ea08 |
155000105480 has 64 divisors (see below), whose sum is σ = 390737407680. Its totient is φ = 54840326400.
The previous prime is 155000105473. The next prime is 155000105509. The reversal of 155000105480 is 84501000551.
It is a super-2 number, since 2×1550001054802 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4744166 + ... + 4776725.
It is an arithmetic number, because the mean of its divisors is an integer number (6105271995).
Almost surely, 2155000105480 is an apocalyptic number.
155000105480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
155000105480 is an abundant number, since it is smaller than the sum of its proper divisors (235737302200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155000105480 is a wasteful number, since it uses less digits than its factorization.
155000105480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9520950 (or 9520946 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 29.
The spelling of 155000105480 in words is "one hundred fifty-five billion, one hundred five thousand, four hundred eighty".
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