Base | Representation |
---|---|
bin | 101011100001101011000101… |
… | …111011111101011010100011 |
3 | 221002210112022202112202111022 |
4 | 223201223011323331122203 |
5 | 200042342131340243243 |
6 | 1515045422314240055 |
7 | 55215235116455054 |
oct | 5341530573753243 |
9 | 832715282482438 |
10 | 191430013212323 |
11 | 55aa5015985226 |
12 | 1957850412602b |
13 | 82a7a07a7a372 |
14 | 353b3951c872b |
15 | 171e802144b68 |
hex | ae1ac5efd6a3 |
191430013212323 has 4 divisors (see below), whose sum is σ = 192807207552120. Its totient is φ = 190052818872528.
The previous prime is 191430013212293. The next prime is 191430013212349. The reversal of 191430013212323 is 323212310034191.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 191430013212323 - 26 = 191430013212259 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (191430013217323) 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, 688597169690 + ... + 688597169967.
It is an arithmetic number, because the mean of its divisors is an integer number (48201801888030).
Almost surely, 2191430013212323 is an apocalyptic number.
191430013212323 is a deficient number, since it is larger than the sum of its proper divisors (1377194339797).
191430013212323 is a wasteful number, since it uses less digits than its factorization.
191430013212323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1377194339796.
The product of its (nonzero) digits is 23328, while the sum is 35.
The spelling of 191430013212323 in words is "one hundred ninety-one trillion, four hundred thirty billion, thirteen million, two hundred twelve thousand, three hundred twenty-three".
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