Base | Representation |
---|---|
bin | 100001101010001010… |
… | …1101011010100110110 |
3 | 20220120110012110000000 |
4 | 1003110111223110312 |
5 | 2141013133212024 |
6 | 53112244332130 |
7 | 5136133154631 |
oct | 1032425532466 |
9 | 226513173000 |
10 | 72281929014 |
11 | 287222a0119 |
12 | 120130a4046 |
13 | 6a7c1333c9 |
14 | 36d9adcc18 |
15 | 1d30b12cc9 |
hex | 10d456b536 |
72281929014 has 32 divisors (see below), whose sum is σ = 162609562080. Its totient is φ = 24093974880.
The previous prime is 72281928991. The next prime is 72281929051. The reversal of 72281929014 is 41092918227.
72281929014 is a `hidden beast` number, since 72 + 281 + 9 + 290 + 14 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8258307 + ... + 8267054.
It is an arithmetic number, because the mean of its divisors is an integer number (5081548815).
Almost surely, 272281929014 is an apocalyptic number.
72281929014 is an abundant number, since it is smaller than the sum of its proper divisors (90327633066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72281929014 is an equidigital number, since it uses as much as digits as its factorization.
72281929014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16525384 (or 16525366 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The spelling of 72281929014 in words is "seventy-two billion, two hundred eighty-one million, nine hundred twenty-nine thousand, fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •