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71428714288 = 244813192753
BaseRepresentation
bin100001010000101111…
…0111010111100110000
320211100222201122102121
41002201132322330300
52132241222324123
652451445124024
75106033024301
oct1024136727460
9224328648377
1071428714288
1128324713288
1211a153b9614
13697443ab19
1436586807a8
151cd0c7875d
hex10a17baf30

71428714288 has 20 divisors (see below), whose sum is σ = 138397501368. Its totient is φ = 35713230080.

The previous prime is 71428714261. The next prime is 71428714351. The reversal of 71428714288 is 88241782417.

It is a super-2 number, since 2×714287142882 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723720 + ... + 816472.

Almost surely, 271428714288 is an apocalyptic number.

It is an amenable number.

71428714288 is a deficient number, since it is larger than the sum of its proper divisors (66968787080).

71428714288 is a wasteful number, since it uses less digits than its factorization.

71428714288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140892 (or 140886 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 52.

The spelling of 71428714288 in words is "seventy-one billion, four hundred twenty-eight million, seven hundred fourteen thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 48131 92753 96262 185506 192524 371012 385048 742024 770096 1484048 4464294643 8928589286 17857178572 35714357144 71428714288