Base | Representation |
---|---|
bin | 100001110000111000… |
… | …0010010111010001101 |
3 | 20221011010201210000210 |
4 | 1003201300102322031 |
5 | 2141443243320301 |
6 | 53150444513033 |
7 | 5144535264516 |
oct | 1034160227215 |
9 | 227133653023 |
10 | 72507010701 |
11 | 28828354344 |
12 | 1207654b779 |
13 | 6ab695cb38 |
14 | 371b96da0d |
15 | 1d45773ad6 |
hex | 10e1c12e8d |
72507010701 has 4 divisors (see below), whose sum is σ = 96676014272. Its totient is φ = 48338007132.
The previous prime is 72507010691. The next prime is 72507010787. The reversal of 72507010701 is 10701070527.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 72507010701 - 214 = 72506994317 is a prime.
It is a super-3 number, since 3×725070107013 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72507010001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12084501781 + ... + 12084501786.
It is an arithmetic number, because the mean of its divisors is an integer number (24169003568).
Almost surely, 272507010701 is an apocalyptic number.
It is an amenable number.
72507010701 is a deficient number, since it is larger than the sum of its proper divisors (24169003571).
72507010701 is a wasteful number, since it uses less digits than its factorization.
72507010701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24169003570.
The product of its (nonzero) digits is 3430, while the sum is 30.
The spelling of 72507010701 in words is "seventy-two billion, five hundred seven million, ten thousand, seven hundred one".
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