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76420610771 = 19131227135257
BaseRepresentation
bin100011100101100000…
…1011111101011010011
321022020212212021001112
41013023001133223103
52223002134021041
655035050523535
75343526321331
oct1071301375323
9238225767045
1076420610771
112a456495a6a
12129891365ab
13728b6c011b
1439ad632b51
151ec412ddeb
hex11cb05fad3

76420610771 has 16 divisors (see below), whose sum is σ = 81414495360. Its totient is φ = 71528783040.

The previous prime is 76420610759. The next prime is 76420610803. The reversal of 76420610771 is 17701602467.

It is a cyclic number.

It is not a de Polignac number, because 76420610771 - 210 = 76420609747 is a prime.

It is a super-2 number, since 2×764206107712 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76420610701) 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, 497375 + ... + 632631.

It is an arithmetic number, because the mean of its divisors is an integer number (5088405960).

Almost surely, 276420610771 is an apocalyptic number.

76420610771 is a deficient number, since it is larger than the sum of its proper divisors (4993884589).

76420610771 is a wasteful number, since it uses less digits than its factorization.

76420610771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135634.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 76420610771 in words is "seventy-six billion, four hundred twenty million, six hundred ten thousand, seven hundred seventy-one".

Divisors: 1 19 131 227 2489 4313 29737 135257 565003 2569883 17718667 30703339 336654673 583363441 4022137409 76420610771