Base | Representation |
---|---|
bin | 111001000010011010… |
… | …1111011111101010000 |
3 | 102201011101102202111101 |
4 | 1302010311323331100 |
5 | 4001323340103031 |
6 | 132134202554144 |
7 | 11564235154216 |
oct | 1620465737520 |
9 | 381141382441 |
10 | 122487816016 |
11 | 47a461a7115 |
12 | 1b8a4b08954 |
13 | b72073bb57 |
14 | 5cdd904cb6 |
15 | 32bd5c6361 |
hex | 1c84d7bf50 |
122487816016 has 40 divisors (see below), whose sum is σ = 252258039720. Its totient is φ = 57417007104.
The previous prime is 122487816007. The next prime is 122487816019. The reversal of 122487816016 is 610618784221.
It can be written as a sum of positive squares in 4 ways, for example, as 33600356416 + 88887459600 = 183304^2 + 298140^2 .
It is a super-2 number, since 2×1224878160162 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122487816019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806211 + ... + 946018.
It is an arithmetic number, because the mean of its divisors is an integer number (6306450993).
Almost surely, 2122487816016 is an apocalyptic number.
122487816016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
122487816016 is an abundant number, since it is smaller than the sum of its proper divisors (129770223704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122487816016 is a wasteful number, since it uses less digits than its factorization.
122487816016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1752511 (or 1752505 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 46.
The spelling of 122487816016 in words is "one hundred twenty-two billion, four hundred eighty-seven million, eight hundred sixteen thousand, sixteen".
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