Base | Representation |
---|---|
bin | 100100101000100010000101… |
… | …010111001110000001000111 |
3 | 210010110110002220020202121221 |
4 | 210220202011113032001013 |
5 | 132104202110432222012 |
6 | 1330355122114421211 |
7 | 45636115102426306 |
oct | 4450420527160107 |
9 | 703413086222557 |
10 | 161115050664007 |
11 | 47377566925970 |
12 | 160a1214591807 |
13 | 6bb911297713b |
14 | 2bb001d86443d |
15 | 1395e8b2e4507 |
hex | 9288855ce047 |
161115050664007 has 32 divisors (see below), whose sum is σ = 180372562191360. Its totient is φ = 142645867499520.
The previous prime is 161115050663981. The next prime is 161115050664019. The reversal of 161115050664007 is 700466050511161.
It is not a de Polignac number, because 161115050664007 - 235 = 161080690925639 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161115050661007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2866328719 + ... + 2866384927.
It is an arithmetic number, because the mean of its divisors is an integer number (5636642568480).
Almost surely, 2161115050664007 is an apocalyptic number.
161115050664007 is a deficient number, since it is larger than the sum of its proper divisors (19257511527353).
161115050664007 is a wasteful number, since it uses less digits than its factorization.
161115050664007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73783.
The product of its (nonzero) digits is 151200, while the sum is 43.
The spelling of 161115050664007 in words is "one hundred sixty-one trillion, one hundred fifteen billion, fifty million, six hundred sixty-four thousand, seven".
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