Base | Representation |
---|---|
bin | 11110001010111100… |
… | …11001000000000000 |
3 | 1112210212100122112010 |
4 | 33011132121000000 |
5 | 231133140331120 |
6 | 11235150532520 |
7 | 1112254362645 |
oct | 170536310000 |
9 | 45725318463 |
10 | 16197980160 |
11 | 696237926a |
12 | 3180807140 |
13 | 16b1ab405b |
14 | ad9389dcc |
15 | 64c0a17e0 |
hex | 3c5799000 |
16197980160 has 208 divisors, whose sum is σ = 53620251840. Its totient is φ = 4170055680.
The previous prime is 16197980107. The next prime is 16197980179. The reversal of 16197980160 is 6108979161.
It is a super-2 number, since 2×161979801602 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777215 + ... + 1786305.
Almost surely, 216197980160 is an apocalyptic number.
16197980160 is a gapful number since it is divisible by the number (10) 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 16197980160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26810125920).
16197980160 is an abundant number, since it is smaller than the sum of its proper divisors (37422271680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16197980160 is an equidigital number, since it uses as much as digits as its factorization.
16197980160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9152 (or 9130 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 48.
The spelling of 16197980160 in words is "sixteen billion, one hundred ninety-seven million, nine hundred eighty thousand, one hundred sixty".
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