Base | Representation |
---|---|
bin | 111000010111111100… |
… | …0110100001000101000 |
3 | 102120111001110120011100 |
4 | 1300233320310020220 |
5 | 3440414000211143 |
6 | 131340525401400 |
7 | 11514020221410 |
oct | 1605770641050 |
9 | 376431416140 |
10 | 121062507048 |
11 | 473846a141a |
12 | 1b567709260 |
13 | b55436b672 |
14 | 5c064c5640 |
15 | 32383d26d3 |
hex | 1c2fe34228 |
121062507048 has 192 divisors, whose sum is σ = 397480037760. Its totient is φ = 32495505408.
The previous prime is 121062507037. The next prime is 121062507103. The reversal of 121062507048 is 840705260121.
121062507048 is a `hidden beast` number, since 1 + 2 + 106 + 2 + 507 + 0 + 48 = 666.
It is a super-2 number, since 2×1210625070482 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4811236 + ... + 4836332.
It is an arithmetic number, because the mean of its divisors is an integer number (2070208530).
Almost surely, 2121062507048 is an apocalyptic number.
121062507048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121062507048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198740018880).
121062507048 is an abundant number, since it is smaller than the sum of its proper divisors (276417530712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121062507048 is a wasteful number, since it uses less digits than its factorization.
121062507048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25696 (or 25689 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
Adding to 121062507048 its reverse (840705260121), we get a palindrome (961767767169).
The spelling of 121062507048 in words is "one hundred twenty-one billion, sixty-two million, five hundred seven thousand, forty-eight".
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