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71345177120 = 255763701051
BaseRepresentation
bin100001001110010000…
…0010000001000100000
320211011011112111222102
41002130200100020200
52132103331131440
652435302425532
75103666666560
oct1023440201040
9224134474872
1071345177120
11282915465a8
12119b14322a8
13696003c749
14364b536da0
151cc8776b15
hex109c810220

71345177120 has 48 divisors (see below), whose sum is σ = 192631981248. Its totient is φ = 24461203200.

The previous prime is 71345177093. The next prime is 71345177149. The reversal of 71345177120 is 2177154317.

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, 31849406 + ... + 31851645.

It is an arithmetic number, because the mean of its divisors is an integer number (4013166276).

Almost surely, 271345177120 is an apocalyptic number.

71345177120 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71345177120 is an abundant number, since it is smaller than the sum of its proper divisors (121286804128).

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

71345177120 is a wasteful number, since it uses less digits than its factorization.

71345177120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63701073 (or 63701065 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 71345177120 in words is "seventy-one billion, three hundred forty-five million, one hundred seventy-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 63701051 127402102 254804204 318505255 445907357 509608408 637010510 891814714 1019216816 1274021020 1783629428 2038433632 2229536785 2548042040 3567258856 4459073570 5096084080 7134517712 8918147140 10192168160 14269035424 17836294280 35672588560 71345177120