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72017050711 = 1371633224981
BaseRepresentation
bin100001100010010001…
…1001111110001010111
320212212222210020021111
41003010203033301113
52134442331110321
653030103155451
75126435554654
oct1030443176127
9225788706244
1072017050711
11285a6825131
1211b5a445b87
136a392b1898
1436b286cc2b
151d177405e1
hex10c48cfc57

72017050711 has 8 divisors (see below), whose sum is σ = 72987792624. Its totient is φ = 71052759360.

The previous prime is 72017050669. The next prime is 72017050741. The reversal of 72017050711 is 11705071027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72017050711 - 27 = 72017050583 is a prime.

It is a super-2 number, since 2×720170507112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72017050741) 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, 1590160 + ... + 1634821.

It is an arithmetic number, because the mean of its divisors is an integer number (9123474078).

Almost surely, 272017050711 is an apocalyptic number.

72017050711 is a deficient number, since it is larger than the sum of its proper divisors (970741913).

72017050711 is a wasteful number, since it uses less digits than its factorization.

72017050711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225281.

The product of its (nonzero) digits is 3430, while the sum is 31.

The spelling of 72017050711 in words is "seventy-two billion, seventeen million, fifty thousand, seven hundred eleven".

Divisors: 1 137 163 22331 3224981 441822397 525671903 72017050711