Base | Representation |
---|---|
bin | 10110100101000000… |
… | …01111100001100111 |
3 | 1011021202221012010211 |
4 | 23102200033201213 |
5 | 144311112232101 |
6 | 5322452000251 |
7 | 606245626651 |
oct | 132240174147 |
9 | 34252835124 |
10 | 12121602151 |
11 | 516036811a |
12 | 2423600087 |
13 | 11b23cca69 |
14 | 82dc336d1 |
15 | 4ae290c51 |
hex | 2d280f867 |
12121602151 has 8 divisors (see below), whose sum is σ = 12160303200. Its totient is φ = 12082961280.
The previous prime is 12121602049. The next prime is 12121602173. The reversal of 12121602151 is 15120612121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12121602151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12121602551) 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, 407110 + ... + 435868.
It is an arithmetic number, because the mean of its divisors is an integer number (1520037900).
Almost surely, 212121602151 is an apocalyptic number.
12121602151 is a deficient number, since it is larger than the sum of its proper divisors (38701049).
12121602151 is an equidigital number, since it uses as much as digits as its factorization.
12121602151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30089.
The product of its (nonzero) digits is 240, while the sum is 22.
The spelling of 12121602151 in words is "twelve billion, one hundred twenty-one million, six hundred two thousand, one hundred fifty-one".
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