Base | Representation |
---|---|
bin | 11100000010000110… |
… | …110001101111010101 |
3 | 2212200201122121122100 |
4 | 130002012301233111 |
5 | 443121111231401 |
6 | 21454445352313 |
7 | 2113623434466 |
oct | 340206615725 |
9 | 85621577570 |
10 | 30100102101 |
11 | 118467a5243 |
12 | 5a00568699 |
13 | 2ab9043204 |
14 | 1657864d6d |
15 | bb27edb86 |
hex | 7021b1bd5 |
30100102101 has 12 divisors (see below), whose sum is σ = 44653004812. Its totient is φ = 19524390336.
The previous prime is 30100102091. The next prime is 30100102127. The reversal of 30100102101 is 10120100103.
It can be written as a sum of positive squares in 2 ways, for example, as 25290540900 + 4809561201 = 159030^2 + 69351^2 .
It is not a de Polignac number, because 30100102101 - 213 = 30100093909 is a prime.
It is a super-2 number, since 2×301001021012 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30100102181) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 45195016 + ... + 45195681.
Almost surely, 230100102101 is an apocalyptic number.
It is an amenable number.
30100102101 is a deficient number, since it is larger than the sum of its proper divisors (14552902711).
30100102101 is a wasteful number, since it uses less digits than its factorization.
30100102101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90390740 (or 90390737 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 30100102101 its reverse (10120100103), we get a palindrome (40220202204).
The spelling of 30100102101 in words is "thirty billion, one hundred million, one hundred two thousand, one hundred one".
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