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71352110172 = 22377910752277
BaseRepresentation
bin100001001110011101…
…0101100110001011100
320211011122120202100010
41002130322230301130
52132112120011142
652440111203220
75104112633550
oct1023472546134
9224148522303
1071352110172
11282954514a2
12119b3816510
1369615c9345
14364c41d860
151cc9195e9c
hex109ceacc5c

71352110172 has 48 divisors (see below), whose sum is σ = 192680821760. Its totient is φ = 20128260672.

The previous prime is 71352110171. The next prime is 71352110189. The reversal of 71352110172 is 27101125317.

It is a super-2 number, since 2×713521101722 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71352110171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5369503 + ... + 5382774.

Almost surely, 271352110172 is an apocalyptic number.

It is an amenable number.

71352110172 is an abundant number, since it is smaller than the sum of its proper divisors (121328711588).

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

71352110172 is a wasteful number, since it uses less digits than its factorization.

71352110172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752370 (or 10752368 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

Adding to 71352110172 its reverse (27101125317), we get a palindrome (98453235489).

The spelling of 71352110172 in words is "seventy-one billion, three hundred fifty-two million, one hundred ten thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 79 84 158 237 316 474 553 948 1106 1659 2212 3318 6636 10752277 21504554 32256831 43009108 64513662 75265939 129027324 150531878 225797817 301063756 451595634 849429883 903191268 1698859766 2548289649 3397719532 5096579298 5946009181 10193158596 11892018362 17838027543 23784036724 35676055086 71352110172