Base | Representation |
---|---|
bin | 100001111101101110… |
… | …1001111110111010011 |
3 | 20222021012010201222201 |
4 | 1003323131033313103 |
5 | 2143334141200412 |
6 | 53301331144031 |
7 | 5161322453416 |
oct | 1037335176723 |
9 | 228235121881 |
10 | 72938225107 |
11 | 28a297aa090 |
12 | 12176a45017 |
13 | 6b550b00a7 |
14 | 375cd3bb7d |
15 | 1d6d550e57 |
hex | 10fb74fdd3 |
72938225107 has 8 divisors (see below), whose sum is σ = 83756813760. Its totient is φ = 62817609960.
The previous prime is 72938225089. The next prime is 72938225123. The reversal of 72938225107 is 70152283927.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72938225107 is a prime.
It is a super-2 number, since 2×729382251072 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72938225707) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174493153 + ... + 174493570.
It is an arithmetic number, because the mean of its divisors is an integer number (10469601720).
Almost surely, 272938225107 is an apocalyptic number.
72938225107 is a deficient number, since it is larger than the sum of its proper divisors (10818588653).
72938225107 is a wasteful number, since it uses less digits than its factorization.
72938225107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348986753.
The product of its (nonzero) digits is 423360, while the sum is 46.
The spelling of 72938225107 in words is "seventy-two billion, nine hundred thirty-eight million, two hundred twenty-five thousand, one hundred seven".
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