Base | Representation |
---|---|
bin | 11110101111000110111… |
… | …010101010111100010111 |
3 | 21110220212111100202200012 |
4 | 132233012322222330113 |
5 | 234101204022230401 |
6 | 4254152112110435 |
7 | 305412306366350 |
oct | 36570672527427 |
9 | 7426774322605 |
10 | 2112166211351 |
11 | 744845842609 |
12 | 2a142823541b |
13 | 12423a792331 |
14 | 7432d636d27 |
15 | 39e2036a8bb |
hex | 1ebc6eaaf17 |
2112166211351 has 32 divisors (see below), whose sum is σ = 2571882513408. Its totient is φ = 1695398664960.
The previous prime is 2112166211333. The next prime is 2112166211387. The reversal of 2112166211351 is 1531126612112.
It is not a de Polignac number, because 2112166211351 - 218 = 2112165949207 is a prime.
It is a super-2 number, since 2×21121662113512 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112166213351) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3719891 + ... + 4249931.
It is an arithmetic number, because the mean of its divisors is an integer number (80371328544).
Almost surely, 22112166211351 is an apocalyptic number.
2112166211351 is a deficient number, since it is larger than the sum of its proper divisors (459716302057).
2112166211351 is a wasteful number, since it uses less digits than its factorization.
2112166211351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530591.
The product of its digits is 4320, while the sum is 32.
The spelling of 2112166211351 in words is "two trillion, one hundred twelve billion, one hundred sixty-six million, two hundred eleven thousand, three hundred fifty-one".
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