Base | Representation |
---|---|
bin | 101111100110001000… |
… | …0011100010010011000 |
3 | 100202211021020101000011 |
4 | 1133030100130102120 |
5 | 3133312021010130 |
6 | 114542150451304 |
7 | 10245613046314 |
oct | 1371420342230 |
9 | 322737211004 |
10 | 102211110040 |
11 | 3a390563876 |
12 | 17986363b34 |
13 | 983b930c90 |
14 | 4d38990b44 |
15 | 29d33ed52a |
hex | 17cc41c498 |
102211110040 has 32 divisors (see below), whose sum is σ = 247665383280. Its totient is φ = 37739486592.
The previous prime is 102211110007. The next prime is 102211110041. The reversal of 102211110040 is 40011112201.
It is a super-2 number, since 2×1022111100402 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a self number, because there is not a number n which added to its sum of digits gives 102211110040.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102211110041) 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, 98279394 + ... + 98280433.
Almost surely, 2102211110040 is an apocalyptic number.
102211110040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102211110040 is an abundant number, since it is smaller than the sum of its proper divisors (145454273240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102211110040 is a wasteful number, since it uses less digits than its factorization.
102211110040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196559851 (or 196559847 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 102211110040 its reverse (40011112201), we get a palindrome (142222222241).
The spelling of 102211110040 in words is "one hundred two billion, two hundred eleven million, one hundred ten thousand, forty".
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