Base | Representation |
---|---|
bin | 11101011001011101100… |
… | …01110000111101111001 |
3 | 10120120020202022220002211 |
4 | 32230232301300331321 |
5 | 113022142120041441 |
6 | 2052011241455121 |
7 | 132656162200654 |
oct | 16545661607571 |
9 | 3516222286084 |
10 | 1010102112121 |
11 | 35a422344293 |
12 | 1439211a14a1 |
13 | 74338188c8b |
14 | 36c63d8a89b |
15 | 1b41d594a81 |
hex | eb2ec70f79 |
1010102112121 has 8 divisors (see below), whose sum is σ = 1089198684000. Its totient is φ = 933598870560.
The previous prime is 1010102112113. The next prime is 1010102112143. The reversal of 1010102112121 is 1212112010101.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1010102112121 - 23 = 1010102112113 is a prime.
It is a super-2 number, since 2×10101021121212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1010102112161) 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, 648331771 + ... + 648333328.
It is an arithmetic number, because the mean of its divisors is an integer number (136149835500).
Almost surely, 21010102112121 is an apocalyptic number.
It is an amenable number.
1010102112121 is a deficient number, since it is larger than the sum of its proper divisors (79096571879).
1010102112121 is a wasteful number, since it uses less digits than its factorization.
1010102112121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1296665159.
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 1010102112121 its reverse (1212112010101), we get a palindrome (2222214122222).
The spelling of 1010102112121 in words is "one trillion, ten billion, one hundred two million, one hundred twelve thousand, one hundred twenty-one".
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