Base | Representation |
---|---|
bin | 10101001101001000111… |
… | …10010001111000110110 |
3 | 2120122200000010210001021 |
4 | 22212210132101320312 |
5 | 43414142332432123 |
6 | 1314415052451354 |
7 | 103432415146363 |
oct | 12464436217066 |
9 | 2518600123037 |
10 | 728608874038 |
11 | 261001795151 |
12 | b9261779b5a |
13 | 5392756c786 |
14 | 2739caab46a |
15 | 13e459e0c5d |
hex | a9a4791e36 |
728608874038 has 32 divisors (see below), whose sum is σ = 1130509288800. Its totient is φ = 351985370880.
The previous prime is 728608874033. The next prime is 728608874083. The reversal of 728608874038 is 830478806827.
728608874038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×7286088740383 (a number of 37 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728608874033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25417938 + ... + 25446586.
It is an arithmetic number, because the mean of its divisors is an integer number (35328415275).
Almost surely, 2728608874038 is an apocalyptic number.
728608874038 is a deficient number, since it is larger than the sum of its proper divisors (401900414762).
728608874038 is a wasteful number, since it uses less digits than its factorization.
728608874038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32352.
The product of its (nonzero) digits is 28901376, while the sum is 61.
The spelling of 728608874038 in words is "seven hundred twenty-eight billion, six hundred eight million, eight hundred seventy-four thousand, thirty-eight".
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