Base | Representation |
---|---|
bin | 100001110110111000… |
… | …1100111110011001001 |
3 | 20221200012012220011022 |
4 | 1003231301213303021 |
5 | 2142401410410001 |
6 | 53222451242225 |
7 | 5152534424321 |
oct | 1035561476311 |
9 | 227605186138 |
10 | 72708685001 |
11 | 28921180217 |
12 | 12111ba9375 |
13 | 6b19682244 |
14 | 373a66a281 |
15 | 1d5830e11b |
hex | 10edc67cc9 |
72708685001 has 8 divisors (see below), whose sum is σ = 74486315904. Its totient is φ = 70931256480.
The previous prime is 72708684911. The next prime is 72708685003. The reversal of 72708685001 is 10058680727.
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-72708685001 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (72708685003) 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, 885956 + ... + 964538.
It is an arithmetic number, because the mean of its divisors is an integer number (9310789488).
Almost surely, 272708685001 is an apocalyptic number.
It is an amenable number.
72708685001 is a deficient number, since it is larger than the sum of its proper divisors (1777630903).
72708685001 is a wasteful number, since it uses less digits than its factorization.
72708685001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101191.
The product of its (nonzero) digits is 188160, while the sum is 44.
The spelling of 72708685001 in words is "seventy-two billion, seven hundred eight million, six hundred eighty-five thousand, one".
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