Base | Representation |
---|---|
bin | 10100000110000101011… |
… | …00111000110010001111 |
3 | 2110000012102202221201100 |
4 | 22003002230320302033 |
5 | 42303031044023231 |
6 | 1245105450114143 |
7 | 100612163222625 |
oct | 12030254706217 |
9 | 2400172687640 |
10 | 690461314191 |
11 | 246906458890 |
12 | b199611b953 |
13 | 5015820b25c |
14 | 255c0547515 |
15 | 12e619701e6 |
hex | a0c2b38c8f |
690461314191 has 48 divisors (see below), whose sum is σ = 1167780650400. Its totient is φ = 388450805760.
The previous prime is 690461314141. The next prime is 690461314297. The reversal of 690461314191 is 191413164096.
690461314191 is a `hidden beast` number, since 6 + 9 + 0 + 4 + 613 + 14 + 19 + 1 = 666.
It is not a de Polignac number, because 690461314191 - 213 = 690461305999 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (690461314141) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2687116 + ... + 2932833.
It is an arithmetic number, because the mean of its divisors is an integer number (24328763550).
Almost surely, 2690461314191 is an apocalyptic number.
690461314191 is a deficient number, since it is larger than the sum of its proper divisors (477319336209).
690461314191 is a wasteful number, since it uses less digits than its factorization.
690461314191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5620056 (or 5620053 counting only the distinct ones).
The product of its (nonzero) digits is 139968, while the sum is 45.
The spelling of 690461314191 in words is "six hundred ninety billion, four hundred sixty-one million, three hundred fourteen thousand, one hundred ninety-one".
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