Base | Representation |
---|---|
bin | 1001011000110111010… |
… | …1101101011010100010 |
3 | 120102022211002120111220 |
4 | 2112031311231122202 |
5 | 10120312111111213 |
6 | 202032554315510 |
7 | 14440000523016 |
oct | 2261565553242 |
9 | 512284076456 |
10 | 161293457058 |
11 | 62449a51638 |
12 | 27314a28b96 |
13 | 12296223726 |
14 | 7b41610546 |
15 | 42e02d8e23 |
hex | 258dd6d6a2 |
161293457058 has 8 divisors (see below), whose sum is σ = 322586914128. Its totient is φ = 53764485684.
The previous prime is 161293457053. The next prime is 161293457081. The reversal of 161293457058 is 850754392161.
It is a sphenic number, since it is the product of 3 distinct primes.
161293457058 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 161293457058.
It is not an unprimeable number, because it can be changed into a prime (161293457053) 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, 13441121416 + ... + 13441121427.
It is an arithmetic number, because the mean of its divisors is an integer number (40323364266).
It is a 1-persistent number, because it is pandigital, but 2⋅161293457058 = 322586914116 is not.
Almost surely, 2161293457058 is an apocalyptic number.
161293457058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161293457058 is a wasteful number, since it uses less digits than its factorization.
161293457058 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26882242848.
The product of its (nonzero) digits is 1814400, while the sum is 51.
The spelling of 161293457058 in words is "one hundred sixty-one billion, two hundred ninety-three million, four hundred fifty-seven thousand, fifty-eight".
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