Base | Representation |
---|---|
bin | 1101110111101011101101… |
… | …01111111101011000001011 |
3 | 10222222211021010100001200200 |
4 | 12323311312233331120023 |
5 | 12444210114043140210 |
6 | 144511432255103243 |
7 | 6265410121212600 |
oct | 673656657753013 |
9 | 128884233301620 |
10 | 30500555052555 |
11 | 979a2381a7775 |
12 | 3507266211b23 |
13 | 1403261579193 |
14 | 7763401b66a7 |
15 | 37d5c94ec0c0 |
hex | 1bbd76bfd60b |
30500555052555 has 36 divisors (see below), whose sum is σ = 61499078355312. Its totient is φ = 13943110880160.
The previous prime is 30500555052509. The next prime is 30500555052577. The reversal of 30500555052555 is 55525055500503.
It is not a de Polignac number, because 30500555052555 - 27 = 30500555052427 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 30500555052555.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6916223431 + ... + 6916227840.
It is an arithmetic number, because the mean of its divisors is an integer number (1708307732092).
Almost surely, 230500555052555 is an apocalyptic number.
30500555052555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30500555052555 is an abundant number, since it is smaller than the sum of its proper divisors (30998523302757).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30500555052555 is a wasteful number, since it uses less digits than its factorization.
30500555052555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13832451296 (or 13832451286 counting only the distinct ones).
The product of its (nonzero) digits is 2343750, while the sum is 45.
The spelling of 30500555052555 in words is "thirty trillion, five hundred billion, five hundred fifty-five million, fifty-two thousand, five hundred fifty-five".
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