Base | Representation |
---|---|
bin | 1001011001010011100… |
… | …1111100001011010101 |
3 | 120102122002011111221011 |
4 | 2112110321330023111 |
5 | 10121032433202423 |
6 | 202052431252221 |
7 | 14442640263364 |
oct | 2262471741325 |
9 | 512562144834 |
10 | 161412006613 |
11 | 624aa962680 |
12 | 2734867a071 |
13 | 122b49603b0 |
14 | 7b5326d7db |
15 | 42ea904b0d |
hex | 2594e7c2d5 |
161412006613 has 32 divisors (see below), whose sum is σ = 204258926592. Its totient is φ = 125381995200.
The previous prime is 161412006583. The next prime is 161412006617. The reversal of 161412006613 is 316600214161.
It is a de Polignac number, because none of the positive numbers 2k-161412006613 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161412006617) 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, 689595 + ... + 893512.
It is an arithmetic number, because the mean of its divisors is an integer number (6383091456).
Almost surely, 2161412006613 is an apocalyptic number.
161412006613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
161412006613 is a deficient number, since it is larger than the sum of its proper divisors (42846919979).
161412006613 is a wasteful number, since it uses less digits than its factorization.
161412006613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1583185.
The product of its (nonzero) digits is 5184, while the sum is 31.
The spelling of 161412006613 in words is "one hundred sixty-one billion, four hundred twelve million, six thousand, six hundred thirteen".
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