Base | Representation |
---|---|
bin | 1001000010111101111… |
… | …0101101010101111000 |
3 | 112212011011111102122101 |
4 | 2100233132231111320 |
5 | 10021242320324343 |
6 | 155221415233144 |
7 | 14141224055560 |
oct | 2205736552570 |
9 | 485134442571 |
10 | 155415401848 |
11 | 5aa02a40773 |
12 | 261543787b4 |
13 | 1186a4b2b55 |
14 | 7744aa5da0 |
15 | 409923ce4d |
hex | 242f7ad578 |
155415401848 has 32 divisors (see below), whose sum is σ = 350561059200. Its totient is φ = 63100989792.
The previous prime is 155415401807. The next prime is 155415401857. The reversal of 155415401848 is 848104514551.
It is a junction number, because it is equal to n+sod(n) for n = 155415401798 and 155415401807.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73032490 + ... + 73034617.
It is an arithmetic number, because the mean of its divisors is an integer number (10955033100).
Almost surely, 2155415401848 is an apocalyptic number.
It is an amenable number.
155415401848 is an abundant number, since it is smaller than the sum of its proper divisors (195145657352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155415401848 is a wasteful number, since it uses less digits than its factorization.
155415401848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146067139 (or 146067135 counting only the distinct ones).
The product of its (nonzero) digits is 512000, while the sum is 46.
The spelling of 155415401848 in words is "one hundred fifty-five billion, four hundred fifteen million, four hundred one thousand, eight hundred forty-eight".
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