Base | Representation |
---|---|
bin | 101111100010111000… |
… | …1000001101000011011 |
3 | 100202112200022201202001 |
4 | 1133011301001220123 |
5 | 3133101131223344 |
6 | 114523300421431 |
7 | 10243121321560 |
oct | 1370561015033 |
9 | 322480281661 |
10 | 102102211099 |
11 | 3a335044449 |
12 | 179559a7877 |
13 | 98221c2b35 |
14 | 4d28324867 |
15 | 29c8a8bed4 |
hex | 17c5c41a1b |
102102211099 has 16 divisors (see below), whose sum is σ = 117023469568. Its totient is φ = 87265086912.
The previous prime is 102102211093. The next prime is 102102211181. The reversal of 102102211099 is 990112201201.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102102211099 is a prime.
It is a super-2 number, since 2×1021022110992 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102102211093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3966679 + ... + 3992335.
It is an arithmetic number, because the mean of its divisors is an integer number (7313966848).
Almost surely, 2102102211099 is an apocalyptic number.
102102211099 is a deficient number, since it is larger than the sum of its proper divisors (14921258469).
102102211099 is a wasteful number, since it uses less digits than its factorization.
102102211099 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27274.
The product of its (nonzero) digits is 648, while the sum is 28.
The spelling of 102102211099 in words is "one hundred two billion, one hundred two million, two hundred eleven thousand, ninety-nine".
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