Base | Representation |
---|---|
bin | 110000000000101011… |
… | …1101110100000110000 |
3 | 100212010101000001021210 |
4 | 1200001113232200300 |
5 | 3142123131242034 |
6 | 115210422120120 |
7 | 10306653225531 |
oct | 1400127564060 |
9 | 325111001253 |
10 | 103102212144 |
11 | 3a7a8568a98 |
12 | 17b94880040 |
13 | 9951430629 |
14 | 4dc1072688 |
15 | 2a3676d8e9 |
hex | 18015ee830 |
103102212144 has 20 divisors (see below), whose sum is σ = 266347381496. Its totient is φ = 34367404032.
The previous prime is 103102212107. The next prime is 103102212163. The reversal of 103102212144 is 441212201301.
It is a super-2 number, since 2×1031022121442 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103102212144.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073981329 + ... + 1073981424.
Almost surely, 2103102212144 is an apocalyptic number.
It is an amenable number.
103102212144 is an abundant number, since it is smaller than the sum of its proper divisors (163245169352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103102212144 is a wasteful number, since it uses less digits than its factorization.
103102212144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2147962764 (or 2147962758 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 103102212144 its reverse (441212201301), we get a palindrome (544314413445).
The spelling of 103102212144 in words is "one hundred three billion, one hundred two million, two hundred twelve thousand, one hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •