Search a number
-
+
71713997000 = 235371713997
BaseRepresentation
bin100001011001001111…
…1001100000011001000
320212002212112111201222
41002302133030003020
52133332240401000
652540035501212
75116065626312
oct1026237140310
9225085474658
1071713997000
1128460755418
1211a94a57808
1369bb584b69
1436845027b2
151cead2ba85
hex10b27cc0c8

71713997000 has 32 divisors (see below), whose sum is σ = 167810755320. Its totient is φ = 28685598400.

The previous prime is 71713996979. The next prime is 71713997053. The reversal of 71713997000 is 79931717.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38035140676 + 33678856324 = 195026^2 + 183518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35855999 + ... + 35857998.

Almost surely, 271713997000 is an apocalyptic number.

It is an amenable number.

71713997000 is an abundant number, since it is smaller than the sum of its proper divisors (96096758320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71713997000 is a wasteful number, since it uses less digits than its factorization.

71713997000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71714018 (or 71714004 counting only the distinct ones).

The product of its (nonzero) digits is 83349, while the sum is 44.

The spelling of 71713997000 in words is "seventy-one billion, seven hundred thirteen million, nine hundred ninety-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 71713997 143427994 286855988 358569985 573711976 717139970 1434279940 1792849925 2868559880 3585699850 7171399700 8964249625 14342799400 17928499250 35856998500 71713997000