Base | Representation |
---|---|
bin | 1101101111001111001000… |
… | …01011000101000000101001 |
3 | 10221222002011001112102022111 |
4 | 12313213210023011000221 |
5 | 12424431230233231441 |
6 | 144130234015322321 |
7 | 6235424134303324 |
oct | 667474413050051 |
9 | 127862131472274 |
10 | 30210333102121 |
11 | 96981484aa877 |
12 | 347ab6b5203a1 |
13 | 13b1a8c466623 |
14 | 76628b93d7bb |
15 | 375c904a8081 |
hex | 1b79e42c5029 |
30210333102121 has 4 divisors (see below), whose sum is σ = 30210642709632. Its totient is φ = 30210023494612.
The previous prime is 30210333102043. The next prime is 30210333102127. The reversal of 30210333102121 is 12120133301203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30210333102121 - 219 = 30210332577833 is a prime.
It is a super-2 number, since 2×302103331021212 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30210333102092 and 30210333102101.
It is not an unprimeable number, because it can be changed into a prime (30210333102127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154657345 + ... + 154852558.
It is an arithmetic number, because the mean of its divisors is an integer number (7552660677408).
Almost surely, 230210333102121 is an apocalyptic number.
It is an amenable number.
30210333102121 is a deficient number, since it is larger than the sum of its proper divisors (309607511).
30210333102121 is an equidigital number, since it uses as much as digits as its factorization.
30210333102121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309607510.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 30210333102121 its reverse (12120133301203), we get a palindrome (42330466403324).
The spelling of 30210333102121 in words is "thirty trillion, two hundred ten billion, three hundred thirty-three million, one hundred two thousand, one hundred twenty-one".
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