Base | Representation |
---|---|
bin | 1011000111010011010111… |
… | …1101110001011101011111 |
3 | 1121021020011220020112112102 |
4 | 2301310311331301131133 |
5 | 3100203214324433233 |
6 | 41553455225355315 |
7 | 2400605104401404 |
oct | 261646575613537 |
9 | 47236156215472 |
10 | 12220087342943 |
11 | 3991567801077 |
12 | 1454402638b3b |
13 | 6a84705180ac |
14 | 3036538002ab |
15 | 162d14b151e8 |
hex | b1d35f7175f |
12220087342943 has 4 divisors (see below), whose sum is σ = 12223250713968. Its totient is φ = 12216923971920.
The previous prime is 12220087342919. The next prime is 12220087343021. The reversal of 12220087342943 is 34924378002221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12220087342943 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 (12220087345943) 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, 1581679718 + ... + 1581687443.
It is an arithmetic number, because the mean of its divisors is an integer number (3055812678492).
Almost surely, 212220087342943 is an apocalyptic number.
12220087342943 is a deficient number, since it is larger than the sum of its proper divisors (3163371025).
12220087342943 is an equidigital number, since it uses as much as digits as its factorization.
12220087342943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3163371024.
The product of its (nonzero) digits is 1161216, while the sum is 47.
The spelling of 12220087342943 in words is "twelve trillion, two hundred twenty billion, eighty-seven million, three hundred forty-two thousand, nine hundred forty-three".
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