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5712772121 = 747103263641
BaseRepresentation
bin1010101001000000…
…11111110000011001
3112202010120220002122
411110200133300121
543144432201441
62342512311025
7261365522210
oct52440376031
915663526078
105712772121
112471790281
121135242475
13700720544
143c2a02077
152367ed34b
hex15481fc19

5712772121 has 32 divisors (see below), whose sum is σ = 6768672768. Its totient is φ = 4720527360.

The previous prime is 5712772103. The next prime is 5712772133. The reversal of 5712772121 is 1212772175.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5712772121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5712772141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8911961 + ... + 8912601.

It is an arithmetic number, because the mean of its divisors is an integer number (211521024).

Almost surely, 25712772121 is an apocalyptic number.

It is an amenable number.

5712772121 is a deficient number, since it is larger than the sum of its proper divisors (1055900647).

5712772121 is a wasteful number, since it uses less digits than its factorization.

5712772121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 13720, while the sum is 35.

The square root of 5712772121 is about 75582.8824602502. The cubic root of 5712772121 is about 1787.6492055086.

The spelling of 5712772121 in words is "five billion, seven hundred twelve million, seven hundred seventy-two thousand, one hundred twenty-one".

Divisors: 1 7 47 103 263 329 641 721 1841 4487 4841 12361 27089 30127 33887 66023 86527 168583 189623 210889 462161 1180081 1273183 3103081 7923401 8912281 17364049 21721567 55463807 121548343 816110303 5712772121