Base | Representation |
---|---|
bin | 100001101101110001… |
… | …1100111110011010011 |
3 | 20220212220001202121111 |
4 | 1003123203213303103 |
5 | 2141240133300412 |
6 | 53132252034151 |
7 | 5142133362520 |
oct | 1033343476323 |
9 | 226786052544 |
10 | 72403025107 |
11 | 28784690436 |
12 | 12047762957 |
13 | 6a9b2521ba |
14 | 370bc22147 |
15 | 1d3b5832a7 |
hex | 10db8e7cd3 |
72403025107 has 16 divisors (see below), whose sum is σ = 84475008000. Its totient is φ = 60774950880.
The previous prime is 72403025087. The next prime is 72403025111. The reversal of 72403025107 is 70152030427.
It is not a de Polignac number, because 72403025107 - 27 = 72403024979 is a prime.
It is a super-2 number, since 2×724030251072 (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 (72403025117) 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, 414807 + ... + 562912.
It is an arithmetic number, because the mean of its divisors is an integer number (5279688000).
Almost surely, 272403025107 is an apocalyptic number.
72403025107 is a deficient number, since it is larger than the sum of its proper divisors (12071982893).
72403025107 is a wasteful number, since it uses less digits than its factorization.
72403025107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 977946.
The product of its (nonzero) digits is 11760, while the sum is 31.
The spelling of 72403025107 in words is "seventy-two billion, four hundred three million, twenty-five thousand, one hundred seven".
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