Base | Representation |
---|---|
bin | 100100100111000101001110… |
… | …110010001101101110011100 |
3 | 210010002220202122021011111120 |
4 | 210213011032302031232130 |
5 | 132101033414242333022 |
6 | 1330241233031250540 |
7 | 45625655331211410 |
oct | 4447051662155634 |
9 | 703086678234446 |
10 | 161015350746012 |
11 | 4733925491a924 |
12 | 16085a2b219a50 |
13 | 6bac8b4393919 |
14 | 2ba92825d8d40 |
15 | 13935a35d2d5c |
hex | 92714ec8db9c |
161015350746012 has 192 divisors, whose sum is σ = 454126829764608. Its totient is φ = 43425766080000.
The previous prime is 161015350746011. The next prime is 161015350746077. The reversal of 161015350746012 is 210647053510161.
161015350746012 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1610153507460122 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161015350746011) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 539115673 + ... + 539414255.
It is an arithmetic number, because the mean of its divisors is an integer number (2365243905024).
Almost surely, 2161015350746012 is an apocalyptic number.
161015350746012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 161015350746012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227063414882304).
161015350746012 is an abundant number, since it is smaller than the sum of its proper divisors (293111479018596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
161015350746012 is a wasteful number, since it uses less digits than its factorization.
161015350746012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303720 (or 303718 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 42.
The spelling of 161015350746012 in words is "one hundred sixty-one trillion, fifteen billion, three hundred fifty million, seven hundred forty-six thousand, twelve".
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