Search a number
-
+
71072418588 = 22323257508763
BaseRepresentation
bin100001000110000111…
…1110000101100011100
320210110011021221121120
41002030033300230130
52131024014343323
652352240330540
75064145406313
oct1021417605434
9223404257546
1071072418588
1128161589026
1211936013a50
13691868c172
14362321527a
151cae8495e3
hex108c3f0b1c

71072418588 has 24 divisors (see below), whose sum is σ = 173045889408. Its totient is φ = 22660771056.

The previous prime is 71072418587. The next prime is 71072418601. The reversal of 71072418588 is 88581427017.

It is a self number, because there is not a number n which added to its sum of digits gives 71072418588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71072418581) 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, 128754106 + ... + 128754657.

It is an arithmetic number, because the mean of its divisors is an integer number (7210245392).

Almost surely, 271072418588 is an apocalyptic number.

It is an amenable number.

71072418588 is an abundant number, since it is smaller than the sum of its proper divisors (101973470820).

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

71072418588 is a wasteful number, since it uses less digits than its factorization.

71072418588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257508793 (or 257508791 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 51.

The spelling of 71072418588 in words is "seventy-one billion, seventy-two million, four hundred eighteen thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 257508763 515017526 772526289 1030035052 1545052578 3090105156 5922701549 11845403098 17768104647 23690806196 35536209294 71072418588